The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-478-2826, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Nesstay Supply, Inc. (CAGE 1P9E7); Defense Maritime Solutions, Inc. (CAGE 0EYA6) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-478-2826 |
| Primary Part Number | H44774-12-A05 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| 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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| H44774-12-A05 | Nesstay Supply, Inc. (USA) |
| H44774-12-A05 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H44774-12-A05 | 5/9 Secondary reference John Crane-Houdaille Inc |
| US70567 ITEM NO.H70567-9-3 | 5/9 Secondary reference Wartsila Lips Inc |
| US70567 | D/9 Drawing number reference only Wartsila Lips Inc |
| H44774-12-A05 | 3/9 Design control — primary reference Wartsila Lips Inc |
NSN 5305-01-478-2826 is a Screw,cap,hexagon Head, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-478-2826 has 2 manufacturer part numbers on file: H44774-12-A05 (Nesstay Supply, Inc.), H44774-12-A05 (Defense Maritime Solutions, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-478-2859, 5307-01-478-2890. 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.