Ring, Retaining5325-01-325-7221

NSN 5325-01-325-7221 · NIIN 013257221 · Part number 1229-W-4131

Meritor Industrial Products, Llc · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 3D6E9

Government record, cited

NSN 5325-01-325-7221 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-325-7221. Manufacturer of record part number: 1229-W-4131.

Also searched as 5325-01-325-7221 · 5325013257221 · NIIN 013257221 · 01-325-7221 · FSC 5325 Fastening Devices · CAGE 3D6E9 · 1229-W-4131

Nearby stock numbers ← 5325-01-325-7220 Ring, Retaining · 5325-01-325-7222 Ring, Retaining →

Features

Ring,retaining — FSC 5325
2 manufacturer part numbers on file
Manufacturer of record: Meritor Industrial Products, Llc

Identification

NSN: 5325-01-325-7221
NIIN: 013257221
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: 1229-W-4131
Manufacturer: Meritor Industrial Products, Llc

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-325-7221, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Meritor Industrial Products, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5325-01-325-7221
Primary Part Number	1229-W-4131
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Meritor Industrial Products, 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
1229-W-4131 PRIMARY	Meritor Industrial Products, Llc (USA)
1229-W-4131	Meritor Heavy Vehicle Systems, Llc (USA)

No interchangeability data on file.

Other items in FSC 5325 — Fastening Devices

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

5325-00-000-1884

5325-00-000-1884 · Item name not on file

5325-00-000-9988

5325-00-000-9988 · Item name not on file

5325-00-001-1567

RING,RETAINING

5325-00-001-2043

FASTENER,PANEL

5325-00-001-3842

RING,RETAINING

5325-00-001-3858

5325-00-001-3858 · Item name not on file

5325-00-001-3871

RING,RETAINING

5325-00-001-4317

RING,RETAINING

Frequently Asked Questions

What is NSN 5325-01-325-7221?

NSN 5325-01-325-7221 is a Ring,retaining, manufactured by Meritor Industrial Products, Llc, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-325-7221?

NSN 5325-01-325-7221 has 2 manufacturer part numbers on file: 1229-W-4131 (Meritor Industrial Products, Llc), 1229-W-4131 (Meritor Heavy Vehicle Systems, Llc).

What are the specifications of 1229-W-4131?

Key specifications for 1229-W-4131: End Item Identification: MRAP - COMMON NSN - USED ON MRAP NO PERMANENT WSDC IDENTIFIED AND 1 OTHER WEAPON SYSTEM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-325-7221 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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