The Brake Drum, cataloged under National Stock Number 2530-00-679-3703, 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 15 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.
| Parameter | Value |
|---|---|
| NSN | 2530-00-679-3703 |
| Primary Part Number | 9099800 |
| Item Name | 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 |
| Mounting Hole Quantity | 8 |
| FSC Application Data | DIFFERENTIAL STEERING,LOADER,GUIDED MISSILE |
| Adjustment Hole | NOT INCLUDED |
| Balancing Pad | NOT INCLUDED |
| Mounting Hole Spacing | EQUALLY SPACED ON 4-3/4 IN. BOLT CIRCLE IN |
| Braking Surface Width | 2.125 INCHES NOMINAL IN |
| Inspection Hole | NOT INCLUDED |
| Mounting Hole Diameter | 0.388 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN |
| Overall Outside Diameter | 11.000 INCHES MINIMUM AND 11.031 INCHES MAXIMUM IN |
| Braking Surface Location | EXTERNAL |
| Oil Drain Hole | NOT INCLUDED |
| Center Hole Diameter | 3.872 INCHES MINIMUM AND 3.874 INCHES MAXIMUM IN |
| Braking Surface Diameter | 11.000 INCHES MINIMUM AND 11.031 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Cooling Fin | NOT INCLUDED |
| 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 |
|---|---|
| 9099800 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2530-00-679-3703 is a 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 2530-00-679-3703 has 1 manufacturer part number on file: 9099800 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 9099800: Mounting Hole Quantity: 8; FSC Application Data: DIFFERENTIAL STEERING,LOADER,GUIDED MISSILE; Adjustment Hole: NOT INCLUDED; Balancing Pad: NOT INCLUDED. 15 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.