The Clamp Operator, cataloged under National Stock Number 2040-01-644-3249, 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 Inventory Control Point Mechanicsburg. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Clamp Operator |
| FSC / FSG | 2040 — Marine Hardware and Hull Items (FSG 20) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 2040-01-644-3249 |
| Primary Part Number | 167-7384258-16D4 |
| Item Name | Clamp Operator |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 167-7384258-16D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H547-1905-16D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H547-0001-H5471905-016D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-H5471905-016 | Naval Sea Systems Command (USA) |
| 7383858-H5471905-016D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 167-7384258-16 | 3/1 Design control — primary reference Naval Sea Systems Command |
| H547-0001-H5471905-016 | 5/1 Secondary reference U.S. Government activity |
| H547-1905-16 | 5/1 Secondary reference U.S. Government activity |
NSN 2040-01-644-3249 is a Clamp Operator, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-644-3249 has 5 manufacturer part numbers on file: 167-7384258-16D4 (Naval Inventory Control Point Mechanicsburg), H547-1905-16D4 (Naval Inventory Control Point Mechanicsburg), H547-0001-H5471905-016D4 (Naval Inventory Control Point Mechanicsburg), 7383858-H5471905-016 (Naval Sea Systems Command), 7383858-H5471905-016D4 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-659-8276. Verify interchangeability with system specifications before substitution.
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.