PartsTable TECHNICAL DATA SHEET

NSN 5325-01-273-6955Government record, cited

Ring, Retaining5325-01-273-6955

NSN 5325-01-273-6955 · NIIN 012736955 · Part number B9971-7.5

Dana Corp Mobile Fluid Products Div · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 26278

Government record, cited

NSN 5325-01-273-6955 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-273-6955. Manufacturer of record part number: B9971-7.5.

Also searched as 5325-01-273-6955 · 5325012736955 · NIIN 012736955 · 01-273-6955 · FSC 5325 Fastening Devices · CAGE 26278 · B9971-7.5

Nearby stock numbers ← 5325-01-273-6954 · 5325-01-273-6956 Ring, Retaining →

Features

Ring,retaining — FSC 5325
Outside Diameter: 7.500 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Dana Corp Mobile Fluid Products Div

Identification

NSN: 5325-01-273-6955
NIIN: 012736955
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: B9971-7.5
Manufacturer: Dana Corp Mobile Fluid Products Div

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-273-6955, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Dana Corp Mobile Fluid Products Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5325-01-273-6955
Primary Part Number	B9971-7.5
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Dana Corp Mobile Fluid Products Div
Status	ACTIVE
Outside Diameter	7.500 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
B9971-7.5 PRIMARY	Dana Corp Mobile Fluid Products Div (USA)

Reference documents

Reference	Meaning
B9971-7.5	3/9 Design control — primary reference U.S. Government activity

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 5325-01-273-6955?

NSN 5325-01-273-6955 is a Ring,retaining, manufactured by Dana Corp Mobile Fluid Products Div, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-273-6955?

NSN 5325-01-273-6955 has 1 manufacturer part number on file: B9971-7.5 (Dana Corp Mobile Fluid Products Div).

What are the specifications of B9971-7.5?

Key specifications for B9971-7.5: Outside Diameter: 7.500 INCHES NOMINAL IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 5325-01-273-6955 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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