The Ratchet,brake Drum, cataloged under National Stock Number 2530-00-301-7450, 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. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-301-7450 |
| Primary Part Number | 8392341 |
| Item Name | Ratchet,brake Drum |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL CASTING,FED QQ-S-681,FORKED AT 2.250 IN. DEPTH,W/1.188 IN. DIA HOLES,2 HOLES IN LINE,4 PLACES EQUALLY SPACED ON A 10.250 IN. DIA BOLT HOLE CIRCLE,ALL HOLES EARED AT 1.000 IN. RADIUS,W/TEN INTERNAL SPLINES EQUALLY SPACED 0.504 IN. W/3.248 IN. MAJOR DIA AND 2.956 IN. MINOR DIA IN |
| 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 |
|---|---|
| 8392341 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 1A11324 | 3/9 Design control — primary reference Paccar Government Group Co Yarrow Bay Office Pk |
NSN 2530-00-301-7450 is a Ratchet,brake Drum, 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 2530-00-301-7450 has 1 manufacturer part number on file: 8392341 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8392341: General Characteristics Item Description: STEEL CASTING,FED QQ-S-681,FORKED AT 2.250 IN. DEPTH,W/1.188 IN. DIA HOLES,2 HOLES IN LINE,4 PLACES EQUALLY SPACED ON A 10.250 IN. DIA BOLT HOLE CIRCLE,ALL HOLES EARED AT 1.000 IN. RADIUS,W/TEN INTERNAL SPLINES EQUALLY SPACED 0.504 IN. W/3.248 IN. MAJOR DIA AND 2.956 IN. MINOR DIA 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.