Ring, Brake2530-01-072-3122

NSN 2530-01-072-3122 · NIIN 010723122

FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components · FSG 25 — Vehicular Equipment Components

Government record, cited

Also searched as 2530-01-072-3122 · 2530010723122 · NIIN 010723122 · 01-072-3122 · FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components

Nearby stock numbers ← 2530-01-072-3115 · 2530-01-072-3473 Bar, Equalizer →

Features

Ring,brake — FSC 2530
General Characteristics Item Description: STEEL,ONE SIDE GROUND SMOOTH,0.875-20 UNEF THREADED BORE,40 SPLINES AROUD O.D.,1.275 IN.MAJOR SPLINE DIA.,0.182 IN.O/A THK. IN

Identification

NSN: 2530-01-072-3122
NIIN: 010723122
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
FSG: 25 — Vehicular Equipment Components

General Description

The Ring,brake, cataloged under National Stock Number 2530-01-072-3122, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	2530-01-072-3122
Item Name	Ring,brake
FSC / FSG	2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
Status	ACTIVE
General Characteristics Item Description	STEEL,ONE SIDE GROUND SMOOTH,0.875-20 UNEF THREADED BORE,40 SPLINES AROUD O.D.,1.275 IN.MAJOR SPLINE DIA.,0.182 IN.O/A THK. IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
E5214	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2530-00-001-0012

WHEEL,SOLID RUBBER TIRE

2530-00-001-0035

2530-00-001-0035 · Item name not on file

2530-00-001-2633

2530-00-001-2633 · Item name not on file

2530-00-001-3371

2530-00-001-3371 · Item name not on file

2530-00-001-3390

2530-00-001-3390 · Item name not on file

2530-00-001-3393

2530-00-001-3393 · Item name not on file

2530-00-001-3426

BOOT,VEHICULAR COMPONENTS

2530-00-001-3427

2530-00-001-3427 · Item name not on file

Frequently Asked Questions

What is NSN 2530-01-072-3122?

NSN 2530-01-072-3122 is a Ring,brake, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.

What are the specifications of 2530-01-072-3122?

Key specifications for 2530-01-072-3122: General Characteristics Item Description: STEEL,ONE SIDE GROUND SMOOTH,0.875-20 UNEF THREADED BORE,40 SPLINES AROUD O.D.,1.275 IN.MAJOR SPLINE DIA.,0.182 IN.O/A THK. IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 2530-01-072-3122 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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