Ring, Retaining5325-01-048-4809

NSN 5325-01-048-4809 · NIIN 010484809

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

Government record, cited

Also searched as 5325-01-048-4809 · 5325010484809 · NIIN 010484809 · 01-048-4809 · FSC 5325 Fastening Devices · R4-323 · R4-323

Nearby stock numbers ← 5325-01-048-4808 Ring, Retaining · 5325-01-048-5256 Insert, Screw Thread →

Features

Ring,retaining — FSC 5325
Usage Design: INTERNAL
End Style: 90 DEGREE PARALLEL
Cross-Sectional Shape Style: RECTANGULAR
Outside Diameter: 2.835 INCHES NOMINAL IN
Major Thickness: 0.130 INCHES NOMINAL IN
Inside Diameter: 2.565 INCHES NOMINAL IN
Casehardening Indicator: CASEHARDENED

Identification

NSN: 5325-01-048-4809
NIIN: 010484809
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-048-4809, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5325-01-048-4809
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Status	ACTIVE
Usage Design	INTERNAL
End Style	90 DEGREE PARALLEL
Cross-Sectional Shape Style	RECTANGULAR
Outside Diameter	2.835 INCHES NOMINAL IN
Major Thickness	0.130 INCHES NOMINAL IN
Inside Diameter	2.565 INCHES NOMINAL IN
Casehardening Indicator	CASEHARDENED
Ring Style	STRAIGHT GAP
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

⇄ Related Items 2

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5895-01-260-6639SD0203 POSSIBLE MATCH

DETECTOR,RADIO FREQUENCY

Possible match (shared part number)Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq

5325-01-306-56943800-323 POSSIBLE MATCH

RING,RETAINING

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

Cross-Reference Index

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

Reference documents

Reference	Meaning
R4-323	3/2 Design control — primary reference U.S. Government activity
R4-323	5/9 Secondary reference Ingersoll Rand Co

Related Parts

5895-01-260-6639POSSIBLE MATCH

DETECTOR,RADIO FREQUENCY

SD0203

5325-01-306-5694POSSIBLE MATCH

RING,RETAINING

3800-323

Frequently Asked Questions

What is NSN 5325-01-048-4809?

NSN 5325-01-048-4809 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.

What NSN replaces 5325-01-048-4809?

2 possible matches (shared part number, not a government interchangeability claim): 5895-01-260-6639, 5325-01-306-5694. Verify interchangeability with system specifications before substitution.

What are the specifications of 5325-01-048-4809?

Key specifications for 5325-01-048-4809: Usage Design: INTERNAL; End Style: 90 DEGREE PARALLEL; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 2.835 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-048-4809 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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