Ring, Retaining5325-00-550-9028

NSN 5325-00-550-9028 · NIIN 005509028

FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5325-00-550-9028 · 5325005509028 · NIIN 005509028 · 00-550-9028 · FSC 5325 Fastening Devices · 6749255 · 209831-3 · 6749255 · GRR62

Nearby stock numbers ← 5325-00-550-8998 Stud Assembly, Turnlock Fastener · 5325-00-550-9150 →

Features

Ring,retaining — FSC 5325
Usage Design: INTERNAL
Cross-Sectional Shape Style: DOUBLE OVAL
Outside Diameter: 0.658 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN
Major Thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
Inside Diameter: 0.554 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN
Casehardening Indicator: NOT CASEHARDENED
Ring Style: SPIRAL

Identification

NSN: 5325-00-550-9028
NIIN: 005509028
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives

General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-550-9028, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5325-00-550-9028
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Status	ACTIVE
Usage Design	INTERNAL
Cross-Sectional Shape Style	DOUBLE OVAL
Outside Diameter	0.658 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN
Major Thickness	0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
Inside Diameter	0.554 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN
Casehardening Indicator	NOT CASEHARDENED
Ring Style	SPIRAL
Material	STEEL

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
6749255	7/2 Vendor item drawing reference Allison Transmission Inc Dba Allison Transmission, Inc
209831-3	3/2 Design control — primary reference U.S. Government activity
6749255	5/1 Secondary reference General Motors Corp
GRR62	5/2 Secondary reference U.S. Government activity

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 5325-00-550-9028?

NSN 5325-00-550-9028 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.

What are the specifications of 5325-00-550-9028?

Key specifications for 5325-00-550-9028: Usage Design: INTERNAL; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 0.658 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN; Major Thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5325-00-550-9028 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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