The Caliper Assembly,disc Brake, cataloged under National Stock Number 2530-01-265-3278, 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 U S Army Tank Automotive Command Amsta-Im-Mm. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Caliper Assembly,disc Brake |
| FSC / FSG | 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components (FSG 25) |
| Manufacturers | U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Am General Llc (CAGE 34623) |
| Parameter | Value |
|---|---|
| NSN | 2530-01-265-3278 |
| Primary Part Number | 12341907-1 |
| Item Name | Caliper Assembly,disc Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 12341907-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12341907-1 | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 2530012653278 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 12341907 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 5596808 | 5/9 Secondary reference Am General Llc |
| 5596808 | 5/9 Secondary reference Am General Llc |
| SK-50711-02 | 5/9 Secondary reference Hb Performance Systems |
| 12341907-1 | 5/9 Secondary reference Kelsey-Hayes Co |
NSN 2530-01-265-3278 is a Caliper Assembly,disc Brake, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-265-3278 has 2 manufacturer part numbers on file: 12341907-1 (U S Army Tank Automotive Command Amsta-Im-Mm), 12341907-1 (Am General Llc).
2 possible matches (shared part number, not a government interchangeability claim): 2530-01-265-3279, 2530-01-333-8263. Verify interchangeability with system specifications before substitution.
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.