Ring, Retaining5325-01-309-7957

NSN 5325-01-309-7957 · NIIN 013097957

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

Government record, cited

Also searched as 5325-01-309-7957 · 5325013097957 · NIIN 013097957 · 01-309-7957 · FSC 5325 Fastening Devices · 801436-2 · Y166SS

Nearby stock numbers ← 5325-01-309-7956 · 5325-01-309-7958 Ring, Retaining →

Features

Ring,retaining — FSC 5325
Usage Design: EXTERNAL
End Style: VERTEX BELOW CENTER
Material Document and Classification: ASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE
Cross-Sectional Shape Style: RECTANGULAR
Outside Diameter: 0.290 INCHES NOMINAL IN
Major Thickness: 0.031 INCHES NOMINAL IN
Inside Diameter: 0.186 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN

Identification

NSN: 5325-01-309-7957
NIIN: 013097957
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-309-7957, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	5325-01-309-7957
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Status	ACTIVE
Usage Design	EXTERNAL
End Style	VERTEX BELOW CENTER
Material Document and Classification	ASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE
Cross-Sectional Shape Style	RECTANGULAR
Outside Diameter	0.290 INCHES NOMINAL IN
Major Thickness	0.031 INCHES NOMINAL IN
Inside Diameter	0.186 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
Casehardening Indicator	NOT CASEHARDENED
Ring Style	STRAIGHT GAP
Surface Treatment	PASSIVATE
Material	STEEL COMP 303

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
801436-2	7/2 Vendor item drawing reference U.S. Government activity
Y166SS	3/9 Design control — primary reference Southco Inc

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 5325-01-309-7957?

NSN 5325-01-309-7957 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.

What are the specifications of 5325-01-309-7957?

Key specifications for 5325-01-309-7957: Usage Design: EXTERNAL; End Style: VERTEX BELOW CENTER; Material Document and Classification: ASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-309-7957 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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