The Housing,anchor, cataloged under National Stock Number 2040-00-391-6478, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Control Flow, Inc. Dba Control Flow Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2040-00-391-6478 |
| Primary Part Number | N280P231 |
| Item Name | Housing,anchor |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Control Flow, Inc. Dba Control Flow 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 |
|---|---|
| N280P231 PRIMARY | Control Flow, Inc. Dba Control Flow Inc (USA) |
| Reference | Meaning |
|---|---|
| N280PC231 | 3/2 Design control — primary reference U.S. Government activity |
| N280PC231 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| 505035PC231 | 5/9 Secondary reference U.S. Government activity |
| D1681-1 | 5/9 Secondary reference U.S. Government activity |
| N280PC231 | 5/9 Secondary reference Control Flow, Inc. Dba Control Flow Inc |
| N280P231 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| 535456 | 5/9 Secondary reference U.S. Government activity |
NSN 2040-00-391-6478 is a Housing,anchor, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-00-391-6478 has 1 manufacturer part number on file: N280P231 (Control Flow, Inc. Dba Control Flow Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-080-6635. Verify interchangeability with system specifications before substitution.
Key specifications for N280P231: End Item Identification: RAMP OPTG MECHM BOW ELMECH TY. 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.