The Ring,clamp,main, cataloged under National Stock Number 2040-01-268-6772, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Defense Maritime Solutions, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ring,clamp,main |
| FSC / FSG | 2040 — Marine Hardware and Hull Items (FSG 20) |
| Manufacturers | Defense Maritime Solutions, Inc. (CAGE 0EYA6) |
| Parameter | Value |
|---|---|
| NSN | 2040-01-268-6772 |
| Primary Part Number | H44518-2-1 |
| Item Name | Ring,clamp,main |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| US-44518 ITEM 13 | Defense Maritime Solutions, Inc. (USA) |
| H44518-2-1 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| US-44518 ITEM 13 | 5/9 Secondary reference Wartsila Lips Inc |
| H44749 | 3/9 Design control — primary reference Defense Maritime Solutions, Inc. |
| H-44749 | 5/9 Secondary reference Wartsila Lips Inc |
| 5325PL0776740 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| H-44749 | 5/9 Secondary reference John Crane, Inc |
| US-44518 ITEM 13 | 5/9 Secondary reference John Crane, Inc |
NSN 2040-01-268-6772 is a Ring,clamp,main, manufactured by Defense Maritime Solutions, Inc., classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-268-6772 has 2 manufacturer part numbers on file: US-44518 ITEM 13 (Defense Maritime Solutions, Inc.), H44518-2-1 (Defense Maritime Solutions, Inc.).
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.