The Breather, cataloged under National Stock Number 3040-01-417-2805, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hydac Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-417-2805 |
| Primary Part Number | BL P 160 S 10 W 2.0 |
| Item Name | Breather |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hydac Corp |
| Status | ACTIVE |
| Outside Diameter | 5.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| BL P 160 S 10 W 2.0 PRIMARY | Hydac Corp (USA) |
| D-411-089 ITEM DR | Pacific Powertech Llc (USA) |
| Reference | Meaning |
|---|---|
| BLS-161-10-1.0 | 5/9 Secondary reference Hydac Corp |
NSN 3040-01-417-2805 is a Breather, manufactured by Hydac Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-417-2805 has 2 manufacturer part numbers on file: BL P 160 S 10 W 2.0 (Hydac Corp), D-411-089 ITEM DR (Pacific Powertech Llc).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-439-4346. Verify interchangeability with system specifications before substitution.
Key specifications for BL P 160 S 10 W 2.0: Outside Diameter: 5.000 INCHES NOMINAL IN; Overall Length: 10.000 INCHES NOMINAL IN; Special Features: REPLACEABLE FILTER,10 MICRON FILTRATION RATING,WELD ON CONNECTION;THDS DATA:228.0 ISO M; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 1 specification is 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.