Adjuster, Slack, Brake2530-01-680-0051

NSN 2530-01-680-0051 · NIIN 016800051 · Part number MK22153S

Stemco Inc Sub of Coltec Industries Inc · FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components · FSG 25 — Vehicular Equipment Components · CAGE 26151

Government record, cited

NSN 2530-01-680-0051 — this item is cataloged by the U.S. Government under National Stock Number 2530-01-680-0051. Manufacturer of record part number: MK22153S.

Also searched as 2530-01-680-0051 · 2530016800051 · NIIN 016800051 · 01-680-0051 · FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components · CAGE 26151 · MK22153S

Nearby stock numbers ← 2530-01-679-9548 Chamber, Air Brake · 2530-01-680-0185 Wheel, Solid Rubber Tire →

Features

Adjuster,slack,brake — FSC 2530
Vehicle Design Control Activity: 31218
Adjustment Type: SINGLE ARM
1 manufacturer part number on file
Manufacturer of record: Stemco Inc Sub of Coltec Industries Inc

Identification

NSN: 2530-01-680-0051
NIIN: 016800051
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
FSG: 25 — Vehicular Equipment Components
Primary part number: MK22153S
Manufacturer: Stemco Inc Sub of Coltec Industries Inc

General Description

The Adjuster,slack,brake, cataloged under National Stock Number 2530-01-680-0051, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Stemco Inc Sub of Coltec Industries Inc. Government technical data includes 2 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	2530-01-680-0051
Primary Part Number	MK22153S
Item Name	Adjuster,slack,brake
FSC / FSG	2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
Manufacturer	Stemco Inc Sub of Coltec Industries Inc
Status	ACTIVE
Vehicle Design Control Activity	31218
Adjustment Type	SINGLE ARM

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

Part Number	Manufacturer
MK22153S PRIMARY	Stemco Inc Sub of Coltec Industries Inc (USA)

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.

2530-00-003-5229

2530-00-003-5229 · Item name not on file

2530-00-139-4058

PARTS KIT,HYDRAULIC BRAKE MASTER

2530-00-363-4183

CYLINDER ASSEMBLY,HYDRAULIC BRAK

2530-00-478-5792

PARTS KIT,HYDRAULIC BRAKE MASTER

2530-00-496-2927

WHEEL ASSEMBLY,PNEUMATIC TIRE

2530-00-701-0656

PLATE SUPPORTING SP

2530-00-734-2546

CYLINDER ASSEMBLY,HYDRAULIC BRAK

2530-01-171-5122

CYLINDER ASSEMBLY,HYDRAULIC BRAK

Frequently Asked Questions

What is NSN 2530-01-680-0051?

NSN 2530-01-680-0051 is a Adjuster,slack,brake, manufactured by Stemco Inc Sub of Coltec Industries Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.

What part numbers are listed for NSN 2530-01-680-0051?

NSN 2530-01-680-0051 has 1 manufacturer part number on file: MK22153S (Stemco Inc Sub of Coltec Industries Inc).

What are the specifications of MK22153S?

Key specifications for MK22153S: Vehicle Design Control Activity: 31218; Special Features: SPLINE 1.5 X 28. ARM LENGTH 6. CLEVIS TYPE SIZE 0.625 -18; Adjustment Type: SINGLE ARM; Part Name Assigned by Controlling Agency: AUTOMATIC BRAKE ADJUSTERS. 2 specifications are documented in the U.S. Government catalog.

Is NSN 2530-01-680-0051 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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