The Stop,brake Transmission, cataloged under National Stock Number 2530-00-040-2511, 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 Am General Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-040-2511 |
| Primary Part Number | 805778 |
| Item Name | Stop,brake Transmission |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,AISI C-1010 MATERIAL SPEC,2.125 IN. LG,.562 IN. W,.125 IN. THK,SLOTTED .320 IN. W .516 IN. DIA,CYANIDE HEAT TREAT,ZINC DICHROMATE PLATING FINISH IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 2530-00-040-2511 is a Stop,brake Transmission, manufactured by Am General Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-040-2511 has 2 manufacturer part numbers on file: 8329630 (U S Army Tank Automotive Command Amsta-Im-Mm), 805778 (Am General Llc).
1 possible match (shared part number, not a government interchangeability claim): 4810-00-379-2841. Verify interchangeability with system specifications before substitution.
Key specifications for 805778: General Characteristics Item Description: STEEL,AISI C-1010 MATERIAL SPEC,2.125 IN. LG,.562 IN. W,.125 IN. THK,SLOTTED .320 IN. W .516 IN. DIA,CYANIDE HEAT TREAT,ZINC DICHROMATE PLATING FINISH IN. 1 specification is 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.