PartsTable TECHNICAL DATA SHEET

NSN 5310-01-481-3970Government record, cited

Washer, Key5310-01-481-3970

NSN 5310-01-481-3970 · NIIN 014813970 · Part number 1229J4638

Meritor Heavy Vehicle Systems, Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 78500

Government record, cited

NSN 5310-01-481-3970 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-481-3970. Manufacturer of record part number: 1229J4638.

Also searched as 5310-01-481-3970 · 5310014813970 · NIIN 014813970 · 01-481-3970 · FSC 5310 Nuts and Washers · CAGE 78500 · 1229J4638 · TDA/1229J4638 · 1229-J-4638S

Nearby stock numbers ← 5310-01-481-3898 · 5310-01-481-3972 Washer, Flat →

5310-01-481-3970 — Nuts and Washers

Features

Washer,key — FSC 5310
3 manufacturer part numbers on file
Manufacturer of record: Meritor Heavy Vehicle Systems, Llc

Identification

NSN: 5310-01-481-3970
NIIN: 014813970
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 1229J4638
Manufacturer: Meritor Heavy Vehicle Systems, Llc

General Description

The Washer,key, cataloged under National Stock Number 5310-01-481-3970, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,key
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Meritor Heavy Vehicle Systems, Llc (CAGE 78500); Meritor Industrial Products, Llc (CAGE 3D6E9); Daimler Truck North America Llc (CAGE 64678)

Technical Specifications

Parameter	Value
NSN	5310-01-481-3970
Primary Part Number	1229J4638
Item Name	Washer,key
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Meritor Heavy Vehicle Systems, Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
1229J4638 PRIMARY	Meritor Heavy Vehicle Systems, Llc (USA)
1229J4638	Meritor Industrial Products, Llc (USA)
TDA/1229J4638	Daimler Truck North America Llc (USA)

Reference documents

Reference	Meaning
1229-J-4638S	D/9 Drawing number reference only Meritor Heavy Vehicle Systems, Llc

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-481-3970?

NSN 5310-01-481-3970 is a Washer,key, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-481-3970?

NSN 5310-01-481-3970 has 3 manufacturer part numbers on file: 1229J4638 (Meritor Heavy Vehicle Systems, Llc), 1229J4638 (Meritor Industrial Products, Llc), TDA/1229J4638 (Daimler Truck North America Llc).

Is NSN 5310-01-481-3970 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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