The Adapter,housing, cataloged under National Stock Number 3040-01-354-5447, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-354-5447 |
| Primary Part Number | 334871P01 |
| Item Name | Adapter,housing |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 170699 | Vescor Corp (USA) |
| 334871P01 PRIMARY | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 1953 | 5/9 Secondary reference Vescor Corp |
| 334871P01 | 3/9 Design control — primary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| 334871 | 5/9 Secondary reference Howden Fluid Systems |
| 334871P01 | 5/9 Secondary reference Howden Fluid Systems |
NSN 3040-01-354-5447 is a Adapter,housing, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-354-5447 has 2 manufacturer part numbers on file: 170699 (Vescor Corp), 334871P01 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 8135-01-411-6497. Verify interchangeability with system specifications before substitution.
Key specifications for 334871P01: Special Features: 7.250 IN. DIA;3.500 IN. THK;FOUR 7/16 IN. SLOTS AROUND PERIPHERY;TWO 3/8-16 TAPPED HOLES ON 5.875 IN. BCD;FOUR 3/8-16 TAPPED HOLES ON 3.250 IN. BCD;W/2.000 IN. CTR APERTURE IN. 0 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.