The Brake Drum, cataloged under National Stock Number 2530-00-752-1490, 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 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-752-1490 |
| Primary Part Number | 7521490 |
| 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 | 4 |
| FSC Application Data | BRAKE DRUM,VEHICULAR |
| Balancing Pad | NOT INCLUDED |
| Mounting Hole Spacing | SPACED ON 2.375 IN. BOLT CIRCLE AT INTERVALS OF 80 DEG AND 100 DEG IN |
| Braking Surface Width | 3.063 INCHES NOMINAL IN |
| Inspection Hole | NOT INCLUDED |
| Mounting Hole Diameter | 0.506 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN |
| Overall Outside Diameter | 13.985 INCHES MINIMUM AND 13.995 INCHES MAXIMUM IN |
| Braking Surface Location | INTERNAL |
| Oil Drain Hole | NOT INCLUDED |
| Center Hole Diameter | 3.750 INCHES NOMINAL IN |
| Braking Surface Diameter | 13.370 INCHES MINIMUM AND 13.395 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 |
|---|---|
| 7521490 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3819E213 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| 392M4 | 5/9 Secondary reference Diamond Reo Truck Co |
| 913683 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 2530007521490 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 3819E213 | 5/9 Secondary reference Spalla Inc |
NSN 2530-00-752-1490 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 2530-00-752-1490 has 1 manufacturer part number on file: 7521490 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7521490: Mounting Hole Quantity: 4; FSC Application Data: BRAKE DRUM,VEHICULAR; Balancing Pad: NOT INCLUDED; Mounting Hole Spacing: SPACED ON 2.375 IN. BOLT CIRCLE AT INTERVALS OF 80 DEG AND 100 DEG IN. 14 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.