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Metabo HPT (Hitachi) NR83A 3-1/4" Full Head Nailer Parts

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Leaks air from top

38%

Won't fire

22%

Driver won't return

15%

Leaks air from trigger

11%

Nails won't feed

Doesn't sink nails deep enough

Double fires

Show All Symptoms

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Popular Parts

$2.99

$5.82

$19.82

$2.99

$6.54

Piston Driver Assembly

$45.66

Urethane Ball

$2.99

Valve Packing

$2.99

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Questions & Answers

Page A

Hotspots

Fig #

Hex Socket Head Bolt M6X45

$5.36

Part Number:949832

In Stock, 3 available

$5.36

Spring Washer M6 (10 Pcs.)

$2.99

Part Number:949455

Ships in 13 - 19 business days

$2.99

Top Cover

$6.54

Part Number:877330

In Stock, 25+ available

$6.54

Hex. Socket HD. Bolt M6X25 (10 Pcs.)

$4.14

Part Number:949652

In Stock, 5 available

$4.14

Exhaust Cover

$29.47

Part Number:877324

Ships in 13 - 19 business days

$29.47

Gasket (B)

$5.82

Part Number:877325

In Stock, 25+ available

$5.82

Gasket (F)

$2.99

Part Number:877329

In Stock, 15 available

$2.99

Exhaust Piece

$23.20

Part Number:877328

In Stock, 3 available

$23.20

Gasket (C)

$3.99

Part Number:877326

In Stock, 16 available

Note: Till June, 1988

$3.99

Gasket C

$2.99

Part Number:877854

In Stock, 20 available

Note: Since July, 1988

$2.99

Valve O-Ring

$3.99

Part Number:872821

In Stock, 14 available

Note: Till January, 1987

$3.99

11A

Exhaust Valve

$2.99

Part Number:890209

In Stock, 22 available

$2.99

12A

Head Cap and Gasket Set

$49.49

Part Number:877307

In Stock, 20 available

Note: Includes figure 9A

$49.49

O-Ring

$2.99

Part Number:877368

In Stock, 25+ available

$2.99

Piston Driver Assembly

$45.66

Part Number:890385

Ships in 13 - 19 business days

Note: Includes figure 13

$45.66

Piston High Speed Steel Tip

$385.85

Part Number:877375

Ships in 13 - 19 business days

$385.85

O-Ring

$3.28

Part Number:877316

In Stock, 14 available

$3.28

Cylinder O-Ring

$2.99

Part Number:890443

In Stock, 12 available

$2.99

Cylinder Plate

$11.85

Part Number:877318

In Stock, 2 available

$11.85

Cylinder O-Ring (I.D 79.3)

$2.99

Part Number:877313

In Stock, 25 available

$2.99

Cylinder Obsolete - Not Available

$63.60

Part Number:884068

Discontinued

Cylinder O-Ring (I.D 69.3)

$2.99

Part Number:877314

In Stock, 16 available

$2.99

Cylinder Ring

$2.99

Part Number:886483

In Stock, 19 available

$2.99

Cylinder Spring

$2.99

Part Number:877321

In Stock, 25+ available

$2.99

Base Washer

$2.99

Part Number:877322

In Stock, 10 available

$2.99

Cylinder Guide

$29.93

Part Number:877310

In Stock, 1 available

$29.93

Gasket (G)

$2.99

Part Number:877327

In Stock, 25+ available

$2.99

26B

Body (B)

$324.07

Part Number:877835

Ships in 13 - 19 business days

$324.07

Name Plate Obsolete - Not Available

$2.99

Part Number:308864

Discontinued

Cylinder O-Ring (I.D 63.9)

$2.99

Part Number:890444

Ships in 13 - 19 business days

$2.99

Cylinder Bumper Obsolete - Not Available

$5.83

Part Number:877319

Discontinued

Note: Till February, 1987

31A

Piston Bumper

$49.49

Part Number:878303

In Stock, 22 available

$49.49

31A

Piston Bumper (B)

$19.82

Part Number:883511

In Stock, 25+ available

$19.82

31A

Piston Bumper

$49.49

Part Number:878303

In Stock, 22 available

$49.49

Gasket (A)

$2.99

Part Number:877334

In Stock, 25+ available

$2.99

33B

High Tension Bolt M6X18

$2.99

Part Number:888245

In Stock, 25+ available

$2.99

36C

Guard (A)

$7.42

Part Number:878419

In Stock, 5 available

$7.42

Washer

$4.48

Part Number:877402

In Stock, 16 available

$4.48

Nose

$276.91

Part Number:884076

Ships in 13 - 19 business days

$276.91

Hex. Socket HD. Bolt M8X25 (10 Pcs.)

$6.99

Part Number:949760

In Stock, 9 available

$6.99

Gasket (D)

$2.99

Part Number:877331

In Stock, 25+ available

$2.99

43A

Cap

$6.18

Part Number:878311

In Stock, 8 available

$6.18

Spring Washer

$3.99

Part Number:949454

In Stock, 4 available

$3.99

45A

Hex. Socket Hd. Bolt M5 X 18 10 Pcs.

$3.99

Part Number:949658

In Stock, 4 available

$3.99

Dust Cap

$2.99

Part Number:872035

In Stock, 3 available

$2.99

Roll Pin D3X30 (10 Pcs.)

$4.50

Part Number:949866

In Stock, 7 available

$4.50

Safety Bolt

$2.99

Part Number:875650

In Stock, 5 available

$2.99

Spring

$2.99

Part Number:877365

In Stock, 25+ available

$2.99

Pushing Lever

$53.63

Part Number:877391Z

In Stock, 17 available

$53.63

Nut M5 (Black)

$3.99

Part Number:949555

In Stock, 7 available

$3.99

Plunger Spring

$2.99

Part Number:875643

In Stock, 17 available

$2.99

O-Ring

$2.99

Part Number:874436

In Stock, 2 available

$2.99

54A

Plunger (A)

$3.99

Part Number:877338

In Stock, 9 available

$3.99

Valve Bushing

$18.17

Part Number:877337

In Stock, 14 available

$18.17

O-Ring

$2.99

Part Number:875638

In Stock, 25+ available

$2.99

Trigger

$3.99

Part Number:876203

In Stock, 13 available

$3.99

Plunger (B)

$4.14

Part Number:877339

In Stock, 17 available

$4.14

59A

Valve Packing

$2.99

Part Number:888151

Ships in 13 - 19 business days

$2.99

Urethane Ball

$2.99

Part Number:890301

In Stock, 25+ available

$2.99

Valve Plate

$3.99

Part Number:875644

In Stock, 2 available

$3.99

62A

Trigger Valve Bushing

$9.48

Part Number:877335

In Stock, 23 available

$9.48

63A

Trigger Plunger

$3.99

Part Number:878121

In Stock, 7 available

$3.99

Nail Feeder

$64.43

Part Number:877393Z

In Stock, 17 available

$64.43

Spring Shaft Obsolete - Not Available

$9.22

Part Number:877395Z

Discontinued

Note: Till January, 1987

65A

Needle Roller

$2.99

Part Number:878418

In Stock, 25+ available

Note: Since February, 1987

$2.99

66A

RIBBON SPRING SET

$12.79

Part Number:878421

In Stock, 16 available

Note: Includes figure 65A

$12.79

Nylon Nut M4

$2.99

Part Number:876465

In Stock, 4 available

$2.99

Spring Washer M4 10 Pcs.

$3.99

Part Number:949453

In Stock, 4 available

$3.99

Magazine Assembly

$123.62

Part Number:884570

In Stock, 3 available

$123.62

Sleeve

$3.99

Part Number:876550

In Stock, 18 available

$3.99

Hex. Socket Hd. Bolt M5 X 45 10 Pcs.

$4.98

Part Number:949824

In Stock, 2 available

$4.98

Hex. Socket HD. Bolt M5X25 (10 Pcs.)

$3.99

Part Number:949662

In Stock, 3 available

$3.99

Washer M5 (10 Pcs.)

$3.99

Part Number:949424

In Stock, 6 available

$3.99

Stop Lever

$5.82

Part Number:877396Z

In Stock, 10 available

$5.82

Collar

$3.99

Part Number:877398

In Stock, 11 available

$3.99

Stopper Spring

$4.98

Part Number:877397

In Stock, 25+ available

$4.98

Hex. Socket HD. Bolt M4X15 (10 Pcs.)

$2.99

Part Number:949650

Ships in 13 - 19 business days

$2.99

Plunger O-Ring

$2.99

Part Number:874820

In Stock, 25+ available

$2.99

Nylon Nut

$2.99

Part Number:877371

In Stock, 17 available

$2.99

Magazine Assembly

$123.62

Part Number:884570

In Stock, 3 available

Note: Includes figures 44, 67-71, 74-77 and 79

$123.62

Warning Label

$2.99

Part Number:884070

Backorder: No ETA

500

Hex. Bar Wrench 6mm

$3.99

Part Number:872422

In Stock, 1 available

$3.99

501

Allen Wrench For M5 Screw

$3.99

Part Number:944459

Ships in 13 - 19 business days

$3.99

502

Hex. Bar Wrench 4MM

$2.99

Part Number:944458

Backorder: No ETA

503A

Eye Protector

$19.20

Part Number:875769

Ships in 13 - 19 business days

$19.20

505

Caution Tag

$2.99

Part Number:882413

Ships in 13 - 19 business days

$2.99

506

Leaflet

$2.99

Part Number:882414

Ships in 13 - 19 business days

$2.99

Miscellaneous Parts

Fig #

601

Piston High Speed Steel Tip

$385.85

Part Number:877375

Ships in 13 - 19 business days

$385.85

602

Single Shot Parts

$107.26

Part Number:876762

Backorder: No ETA

603

Grease (Attolub No.2) 500G

$39.22

Part Number:317918

Ships in 13 - 19 business days

$39.22

605

$2.99

Part Number:887768

In Stock, 5 available

$2.99

606

Tape Optional

$2.99

Part Number:888213

Ships in 13 - 19 business days

$2.99

607

Remote Fire Valve Obsolete - Not Available

$357.36

Part Number:878223

Discontinued

800

O-Ring Overhaul Kit

$29.47

Part Number:18000M

In Stock, 6 available

$29.47

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Accessories

Accessories for the Metabo HPT (Hitachi) NR83A

Questions & Answers

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Discussion

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Discussion is closed. To ask our experts a question about a part, use the Q&A feature on our product pages.

Question: Hitachi NR83A

Fixthisnailer

I have an old school 3-1/4” framing nailer that is over 20 years old. The driver drives the nail only once and The driver doesnot retract. I have to remove the nails in cartridge, then manually push the driver back into position. What part or parts is causing this, & is there a piston rebuild kit?

You will need to remove the top of the gun, To see what parts are worn or broken. Such as o-rings, seals, piston bump etc. There is an o-ring kit available but no driver/piston kit

Question: Air Leak

chiselcreek

I have a major air leak around the trigger. When I hold the tigger in the air leak stops and the gun will bump nail. When I release the trigger the air leaks and the gun will not build pressure. I change the two o-ring in the trigger area and clean the ball. Any help?

Hello chiselcreek,

There a quite a few parts involved with the trigger. Check them all for wear. Hopefully it will be one of those parts.

Good luck,
-WJA

Hi chiselcreek,
Replace all the trigger parts as wear in this area is accumulative and you will drive yourself nuts guessing at what part is causing the problem. Even if you do find the part causing the problem you will have future problem in this area if all are not replaced together.Hope this helps.Good luck.
Tinker

The urethane ball sits in a packing, or seal. It's probably deteriorated.

Question: Leak

dizj1

I took apart my NR83A and replaced all O rings and most gaskets. Including trigger o-rings. Put everything back together and I have massive air leakage from exhaust draining my compressor pressure. Any ideas?

Hi dijz1: Did you replace O-Ring (S-90) Part Number: 877-316? This is the bulkhead O-ring where a lot of leaks are from.Also does the tool shoot ok other then the air leak?Knowing this will help us troubleshoot the tool better for you.
Tinker

The cylinder on the Hitachi move up and down to fire. Most likely you need to turn the gun upside down and "whack" the top of the gun on a piece of wood to cause the cylinder to seal to the head valve. If that does not work you will need to replace the head valve (877-307).
Ken

Question: Rebuilding Hitachi Nr83aa- Rippe...

henriksen2008

I have to replace the cylinder ring on this nail gun, but since it was ripped i'm not sure where it goes on the cylinder. I think it goes over where the small holes are?

Hi, Yes it goes over the holes and is a cylinder check valve for return air. Nail guns use low pressure to pull the piston driver assembly back up to the top of the cylinder and this check valve helps it do that. Hope this helps.