The Breather, cataloged under National Stock Number 2520-00-752-1042, is classified within Federal Supply Class 2520 (Vehicular Power Transmission 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 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2520-00-752-1042 |
| Primary Part Number | 7521042 |
| Item Name | Breather |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Outside Diameter | 1.563 INCHES MAXIMUM IN |
| Body Material | STEEL |
| 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 |
|---|---|
| 7521042 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3-68-18X | 3/2 Design control — primary reference U.S. Government activity |
| 1708P2 | 5/9 Secondary reference Spalla Inc |
| 1708P2 | 5/9 Secondary reference Diamond Reo Truck Co |
| 914165 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 2520007521042 | 5/9 Secondary reference E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2520-00-752-1042 is a Breather, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-752-1042 has 1 manufacturer part number on file: 7521042 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7521042: Overall Height: 0.090 INCHES MAXIMUM IN; Outside Diameter: 1.563 INCHES MAXIMUM IN; Body Material: STEEL; Special Features: SPHERICAL SHAPED PLUG. 2 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.