Ring, Retaining5325-01-666-1597

NSN 5325-01-666-1597 · NIIN 016661597 · Part number GPUD000012T46

Busak and Shamban Inc · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 25220

Government record, cited

NSN 5325-01-666-1597 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-666-1597. Manufacturer of record part number: GPUD000012T46.

Also searched as 5325-01-666-1597 · 5325016661597 · NIIN 016661597 · 01-666-1597 · FSC 5325 Fastening Devices · CAGE 25220 · GPUD000012T46

Nearby stock numbers ← 5325-01-666-1474 Grommet, Nonmetallic · 5325-01-666-1600 Insert, Screw Thread →

Features

Ring,retaining — FSC 5325
Inside Diameter: 3.998 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Busak and Shamban Inc

Identification

NSN: 5325-01-666-1597
NIIN: 016661597
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: GPUD000012T46
Manufacturer: Busak and Shamban Inc

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-666-1597, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Busak and Shamban Inc. Government technical data includes 1 specification, 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	5325-01-666-1597
Primary Part Number	GPUD000012T46
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Busak and Shamban Inc
Status	ACTIVE
Inside Diameter	3.998 INCHES NOMINAL IN

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
GPUD000012T46 PRIMARY	Busak and Shamban Inc (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 5325-01-666-1597?

NSN 5325-01-666-1597 is a Ring,retaining, manufactured by Busak and Shamban Inc, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-666-1597?

NSN 5325-01-666-1597 has 1 manufacturer part number on file: GPUD000012T46 (Busak and Shamban Inc).

What are the specifications of GPUD000012T46?

Key specifications for GPUD000012T46: Inside Diameter: 3.998 INCHES NOMINAL IN; Special Features: .000, .024 GAP AT DIAMETER; Part Name Assigned by Controlling Agency: RETAINING RING. 1 specification is documented in the U.S. Government catalog.

Is NSN 5325-01-666-1597 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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