Ring, Retaining5325-00-550-2772

NSN 5325-00-550-2772 · NIIN 005502772

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

Government record, cited

Also searched as 5325-00-550-2772 · 5325005502772 · NIIN 005502772 · 00-550-2772 · FSC 5325 Fastening Devices

Nearby stock numbers ← 5325-00-550-2734 Insert, Screw Thread · 5325-00-550-2871 →

Features

Ring,retaining — FSC 5325
Material Hardness Rating: 52.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
Usage Design: EXTERNAL OR INTERNAL
End Style: VERTEX CENTER OR ABOVE
Strength Rating: ERR-060
Material Diameter: 0.090 INCHES NOMINAL IN
Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE
Cross-Sectional Shape Style: ROUND

Identification

NSN: 5325-00-550-2772
NIIN: 005502772
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives

General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-550-2772, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5325-00-550-2772
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Status	ACTIVE
Material Hardness Rating	52.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
Usage Design	EXTERNAL OR INTERNAL
End Style	VERTEX CENTER OR ABOVE
Strength Rating	ERR-060
Material Diameter	0.090 INCHES NOMINAL IN
Material Document and Classification	QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE
Cross-Sectional Shape Style	ROUND
Outside Diameter	3.776 INCHES NOMINAL IN
Inside Diameter	3.596 INCHES NOMINAL IN
Casehardening Indicator	NOT CASEHARDENED
Ring Style	STRAIGHT GAP
Surface Treatment	CADMIUM
Material	STEEL UNS K08500

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
LS1369-29	3/2 Design control — primary 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 5325-00-550-2772?

NSN 5325-00-550-2772 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.

What are the specifications of 5325-00-550-2772?

Key specifications for 5325-00-550-2772: Material Hardness Rating: 52.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL OR INTERNAL; End Style: VERTEX CENTER OR ABOVE; Strength Rating: ERR-060. 13 specifications are documented in the U.S. Government catalog.

Is NSN 5325-00-550-2772 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.

PartsTable Design LLC · partstable.com