Ring, Retaining5325-01-371-1920

NSN 5325-01-371-1920 · NIIN 013711920 · Part number D-4028-1-17-1401

Buffaloes Fire Pump Inc. Dba R B Pump Co · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 62503

Government record, cited

NSN 5325-01-371-1920 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-371-1920. Manufacturer of record part number: D-4028-1-17-1401.

Also searched as 5325-01-371-1920 · 5325013711920 · NIIN 013711920 · 01-371-1920 · FSC 5325 Fastening Devices · CAGE 62503 · D-4028-1-17-1401

Nearby stock numbers ← 5325-01-371-1919 Ring, Retaining · 5325-01-371-1921 Ring, Retaining →

Features

Ring,retaining — FSC 5325
1 manufacturer part number on file
Manufacturer of record: Buffaloes Fire Pump Inc. Dba R B Pump Co

Identification

NSN: 5325-01-371-1920
NIIN: 013711920
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: D-4028-1-17-1401
Manufacturer: Buffaloes Fire Pump Inc. Dba R B Pump Co

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-371-1920, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Buffaloes Fire Pump Inc. Dba R B Pump Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Ring,retaining
FSC / FSG	5325 — Fastening Devices (FSG 53)
Manufacturers	Buffaloes Fire Pump Inc. Dba R B Pump Co (CAGE 62503)

Technical Specifications

Parameter	Value
NSN	5325-01-371-1920
Primary Part Number	D-4028-1-17-1401
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Buffaloes Fire Pump Inc. Dba R B Pump Co
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
D-4028-1-17-1401 PRIMARY	Buffaloes Fire Pump Inc. Dba R B Pump 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 5325-01-371-1920?

NSN 5325-01-371-1920 is a Ring,retaining, manufactured by Buffaloes Fire Pump Inc. Dba R B Pump Co, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-371-1920?

NSN 5325-01-371-1920 has 1 manufacturer part number on file: D-4028-1-17-1401 (Buffaloes Fire Pump Inc. Dba R B Pump Co).

Is NSN 5325-01-371-1920 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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