Ring, Retaining5325-01-178-6294

NSN 5325-01-178-6294 · NIIN 011786294 · Part number A2669R

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 61208

Government record, cited

NSN 5325-01-178-6294 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-178-6294. Manufacturer of record part number: A2669R.

Also searched as 5325-01-178-6294 · 5325011786294 · NIIN 011786294 · 01-178-6294 · FSC 5325 Fastening Devices · CAGE 61208 · A2669R

Nearby stock numbers ← 5325-01-178-6214 Ring, Retaining · 5325-01-178-7328 →

Features

Ring,retaining — FSC 5325
Usage Design: INTERNAL
Cross-Sectional Shape Style: RECTANGULAR
Outside Diameter: 7.438 INCHES NOMINAL IN
Inside Diameter: 7.062 INCHES NOMINAL IN
Casehardening Indicator: NOT CASEHARDENED
Ring Style: INTERNAL STEPPED
1 manufacturer part number on file

Identification

NSN: 5325-01-178-6294
NIIN: 011786294
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: A2669R
Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-178-6294, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 6 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	5325-01-178-6294
Primary Part Number	A2669R
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Status	ACTIVE
Usage Design	INTERNAL
Cross-Sectional Shape Style	RECTANGULAR
Outside Diameter	7.438 INCHES NOMINAL IN
Inside Diameter	7.062 INCHES NOMINAL IN
Casehardening Indicator	NOT CASEHARDENED
Ring Style	INTERNAL STEPPED

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
A2669R PRIMARY	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (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 5325-01-178-6294?

NSN 5325-01-178-6294 is a Ring,retaining, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-178-6294?

NSN 5325-01-178-6294 has 1 manufacturer part number on file: A2669R (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What are the specifications of A2669R?

Key specifications for A2669R: Usage Design: INTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 7.438 INCHES NOMINAL IN; Inside Diameter: 7.062 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-178-6294 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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