The Screw, cataloged under National Stock Number 5305-01-170-8428, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Defense Maritime Solutions, Inc. (CAGE 0EYA6) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-170-8428 |
| Primary Part Number | H44518US-4-5 |
| Item Name | Screw |
| 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) |
| Part Number | Manufacturer |
|---|---|
| H44518US-4-5 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H-44518-045 | C/1 Advisory reference — outside the item-of-supply concept Defense Maritime Solutions, Inc. |
| US-44518 ITEM 32 | C/1 Advisory reference — outside the item-of-supply concept Defense Maritime Solutions, Inc. |
| 5305PL0776726 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| US-44518 ITEM 32 | 5/9 Secondary reference Wartsila Lips Inc |
| US-44518 ITEM 32 | 5/9 Secondary reference John Crane, Inc |
| H-44518-045 | 3/9 Design control — primary reference Wartsila Lips Inc |
| H-44518-045 | 5/9 Secondary reference John Crane, Inc |
NSN 5305-01-170-8428 is a Screw, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-170-8428 has 1 manufacturer part number on file: H44518US-4-5 (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.