Ring, Retaining5325-01-660-1976

NSN 5325-01-660-1976 · NIIN 016601976 · Part number 3993797

Oshkosh Defense Llc · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 75Q65

Government record, cited

NSN 5325-01-660-1976 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-660-1976. Manufacturer of record part number: 3993797.

Also searched as 5325-01-660-1976 · 5325016601976 · NIIN 016601976 · 01-660-1976 · FSC 5325 Fastening Devices · CAGE 75Q65 · 3993797

Nearby stock numbers ← 5325-01-660-1775 Grommet, Nonmetallic · 5325-01-660-2084 Ring, Retaining →

Features

Ring,retaining — FSC 5325
Usage Design: SPRING RETAINER
Material Diameter: 0.068 INCHES NOMINAL IN
Cross-Sectional Shape Style: DOUBLE OVAL
Outside Diameter: 1.062 INCHES NOMINAL IN
Major Thickness: 0.147 INCHES NOMINAL IN
Inside Diameter: 0.927 INCHES NOMINAL IN
Ring Style: SPIRAL

Identification

NSN: 5325-01-660-1976
NIIN: 016601976
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: 3993797
Manufacturer: Oshkosh Defense Llc

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-660-1976, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5325-01-660-1976
Primary Part Number	3993797
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Oshkosh Defense Llc
Status	ACTIVE
Usage Design	SPRING RETAINER
Material Diameter	0.068 INCHES NOMINAL IN
Cross-Sectional Shape Style	DOUBLE OVAL
Outside Diameter	1.062 INCHES NOMINAL IN
Major Thickness	0.147 INCHES NOMINAL IN
Inside Diameter	0.927 INCHES NOMINAL IN
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

Part Number	Manufacturer
3993797 PRIMARY	Oshkosh Defense 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 5325-01-660-1976?

NSN 5325-01-660-1976 is a Ring,retaining, manufactured by Oshkosh Defense Llc, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-660-1976?

NSN 5325-01-660-1976 has 1 manufacturer part number on file: 3993797 (Oshkosh Defense Llc).

What are the specifications of 3993797?

Key specifications for 3993797: Usage Design: SPRING RETAINER; Material Diameter: 0.068 INCHES NOMINAL IN; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 1.062 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-660-1976 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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