The Breather, cataloged under National Stock Number 3040-01-573-3976, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is J & R Engineering Company Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-573-3976 |
| Primary Part Number | N260H001-IT9A |
| Item Name | Breather |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | J & R Engineering Company Inc. |
| Status | ACTIVE |
| Filter Type | DRY |
| Connection Type | THREADED |
| Body Material | PLASTIC |
| Thread Size and Series/type Designator | 2A NPT A |
| 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 |
|---|---|
| N260H001-IT9A PRIMARY | J & R Engineering Company Inc. (USA) |
| Reference | Meaning |
|---|---|
| DC2 | 5/9 Secondary reference Dees Fluid Power Div Fluid Power Division |
NSN 3040-01-573-3976 is a Breather, manufactured by J & R Engineering Company Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-573-3976 has 1 manufacturer part number on file: N260H001-IT9A (J & R Engineering Company Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-641-9275. Verify interchangeability with system specifications before substitution.
Key specifications for N260H001-IT9A: Filter Type: DRY; Connection Type: THREADED; Overall Length: 4.000 INCHES NOMINAL IN; Body Material: PLASTIC. 4 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.