The Adjuster,slack,brake, cataloged under National Stock Number 2530-01-487-4633, 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 Holden Industries, Inc. Dba Holden Industries Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-487-4633 |
| Primary Part Number | 055-040-99 |
| Item Name | Adjuster,slack,brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Holden Industries, Inc. Dba Holden Industries Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 055-040-99 | Holden Industries, Inc. Dba Holden Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 055-040-07 | 5/9 Secondary reference Dexter Axle Company Llc |
| 055-040-99 | 3/9 Design control — primary reference Dexter Axle Company Llc |
NSN 2530-01-487-4633 is a Adjuster,slack,brake, manufactured by Holden Industries, Inc. Dba Holden Industries Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-487-4633 has 1 manufacturer part number on file: 055-040-99 (Holden Industries, Inc. Dba Holden Industries Inc).
Key specifications for 055-040-99: Special Features: AUTOMATIC SLACK ADJUSTER - 28 SPLINE; End Item Identification: CHASSIS, TRAILER, NSN: 2330-01-471-7006. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.