The Hinge Assembly,marine Structural, cataloged under National Stock Number 2040-01-496-6445, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-496-6445 |
| Primary Part Number | 751-7072201-A2 |
| Item Name | Hinge Assembly,marine Structural |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shape | CIRCULAR AND CYLINDRICAL |
| Vessel Class for Which Designed | NSSN CLASS SUBMARINE |
| Material | IRON ALLOY AND COPPER ALLOY |
| 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 |
|---|---|
| 751-7072201-A2 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 751-7072201 | D/9 Drawing number reference only Naval Sea Systems Command |
| H821-0201-A2 | 5/2 Secondary reference U.S. Government activity |
NSN 2040-01-496-6445 is a Hinge Assembly,marine Structural, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-496-6445 has 1 manufacturer part number on file: 751-7072201-A2 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-496-9984, 3040-01-497-4451. Verify interchangeability with system specifications before substitution.
Key specifications for 751-7072201-A2: Shape: CIRCULAR AND CYLINDRICAL; Special Features: HINGE ARM ASSEMBLY INCLUDES BRACKET ASSEMBLY, PIN ASSEMBLY, HINGE ARM, BELL CRANK, SHAFT, BEARING, SPACER, KEY, LUG, END CAP, BUMPER, STOP, AND VARIOUS CAP SCREWS & SHIMS; Vessel Class for Which Designed: NSSN CLASS SUBMARINE; Part Name Assigned by Controlling Agency: HINGE ARM, DOOR ASSEMBLY. 3 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.