The Breather, cataloged under National Stock Number 2815-00-464-4542, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-00-464-4542 |
| Primary Part Number | 11640395 |
| Item Name | Breather |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Filter Type | DRY |
| Outside Diameter | 1.920 INCHES MAXIMUM IN |
| Connection Type | THREADED |
| Body Material | STEEL |
| Thread Size and Series/type Designator | 3/8-24 NPTF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11640395 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 569022-29 | 3/2 Design control — primary reference U.S. Government activity |
| 202729 | 5/9 Secondary reference A W C |
| 202729 | 5/9 Secondary reference Falls Filtration Technologies, Inc. |
NSN 2815-00-464-4542 is a Breather, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-464-4542 has 1 manufacturer part number on file: 11640395 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-271-5785. Verify interchangeability with system specifications before substitution.
Key specifications for 11640395: Overall Height: 1.690 INCHES MAXIMUM IN; Filter Type: DRY; Outside Diameter: 1.920 INCHES MAXIMUM IN; Connection Type: THREADED. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.