The Chock,rope,closed, cataloged under National Stock Number 2040-01-537-5551, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2040-01-537-5551 |
| Item Name | Chock,rope,closed |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| 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 |
| Reference | Meaning |
|---|---|
| 1600265 FIND 26 | 5/2 Secondary reference U.S. Government activity |
| 002-611-01-00026 | 3/2 Design control — primary reference U.S. Government activity |
| 611-01-00026 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2040-01-537-5551 is a Chock,rope,closed, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2040-01-556-2975. Verify interchangeability with system specifications before substitution.
Key specifications for 2040-01-537-5551: Part Name Assigned by Controlling Agency: CLOSED CHOCK, 4 INCHES BY 4 INCHES, DROP-IN IN; End Item Identification: HULL FITTINGS (MISC PARTS OUTFIT X FURNISHING INLS 2005). 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.