Ring, Retaining5325-01-627-2637

NSN 5325-01-627-2637 · NIIN 016272637 · Part number 175032

Critical Solutions International, Llc · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 1N5S7

Government record, cited

NSN 5325-01-627-2637 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-627-2637. Manufacturer of record part number: 175032.

Also searched as 5325-01-627-2637 · 5325016272637 · NIIN 016272637 · 01-627-2637 · FSC 5325 Fastening Devices · CAGE 1N5S7 · 175032

Nearby stock numbers ← 5325-01-627-2605 Ring, Retaining · 5325-01-627-3062 Ring, Retaining →

Features

Ring,retaining — FSC 5325
1 manufacturer part number on file
Manufacturer of record: Critical Solutions International, Llc

Identification

NSN: 5325-01-627-2637
NIIN: 016272637
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: 175032
Manufacturer: Critical Solutions International, Llc

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-627-2637, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Critical Solutions International, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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	5325-01-627-2637
Primary Part Number	175032
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Critical Solutions International, Llc
Status	ACTIVE

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.

4820-01-633-3776 POSSIBLE MATCH

SUPPORT,VALVE

Possible match (shared part number)

4820-01-633-6312 POSSIBLE MATCH

SUPPORT SPRING,VALV

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
175032 PRIMARY	Critical Solutions International, Llc (USA)

Related Parts

4820-01-633-3776POSSIBLE MATCH

SUPPORT,VALVE

4820-01-633-6312POSSIBLE MATCH

SUPPORT SPRING,VALV

Frequently Asked Questions

What is NSN 5325-01-627-2637?

NSN 5325-01-627-2637 is a Ring,retaining, manufactured by Critical Solutions International, Llc, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-627-2637?

NSN 5325-01-627-2637 has 1 manufacturer part number on file: 175032 (Critical Solutions International, Llc).

What NSN replaces 5325-01-627-2637?

2 possible matches (shared part number, not a government interchangeability claim): 4820-01-633-3776, 4820-01-633-6312. Verify interchangeability with system specifications before substitution.

What are the specifications of 175032?

Key specifications for 175032: Part Name Assigned by Controlling Agency: CIRCLIP EXTERNAL; End Item Identification: 015602306. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-627-2637 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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