Ring, Retaining5325-01-643-6587

NSN 5325-01-643-6587 · NIIN 016436587 · Part number WH-51

Smalley Steel Ring Co. · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 51814

Government record, cited

NSN 5325-01-643-6587 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-643-6587. Manufacturer of record part number: WH-51.

Also searched as 5325-01-643-6587 · 5325016436587 · NIIN 016436587 · 01-643-6587 · FSC 5325 Fastening Devices · CAGE 51814 · WH-51

Nearby stock numbers ← 5325-01-643-6449 Grommet, Nonmetallic · 5325-01-643-6629 Grommet, Nonmetallic →

Features

Ring,retaining — FSC 5325
Strength Rating: ERR-060
Outside Diameter: 0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN
Inside Diameter: 0.454 INCHES NOMINAL IN
Ring Style: SPIRAL
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: Smalley Steel Ring Co.

Identification

NSN: 5325-01-643-6587
NIIN: 016436587
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: WH-51
Manufacturer: Smalley Steel Ring Co.

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-643-6587, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Smalley Steel Ring Co.. Government technical data includes 5 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	5325-01-643-6587
Primary Part Number	WH-51
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Smalley Steel Ring Co.
Status	ACTIVE
Strength Rating	ERR-060
Outside Diameter	0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN
Inside Diameter	0.454 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
WH-51 PRIMARY	Smalley Steel Ring Co. (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 5325-01-643-6587?

NSN 5325-01-643-6587 is a Ring,retaining, manufactured by Smalley Steel Ring Co., classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-643-6587?

NSN 5325-01-643-6587 has 1 manufacturer part number on file: WH-51 (Smalley Steel Ring Co.).

What are the specifications of WH-51?

Key specifications for WH-51: Strength Rating: ERR-060; Outside Diameter: 0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN; Inside Diameter: 0.454 INCHES NOMINAL IN; Ring Style: SPIRAL. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-643-6587 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.

PartsTable Design LLC · partstable.com