The Screw,shoulder, cataloged under National Stock Number 5305-01-643-4855, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5305-01-643-4855 |
| Primary Part Number | 595-64-4645 FIND 5 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Fastener Length | 3.5 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| 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 |
|---|---|
| 595-64-4645 FIND 5 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 21104671 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| DF2085-213 FIND 5 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| DF2085-213#5 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 5305-01-643-4855 is a Screw,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-643-4855 has 1 manufacturer part number on file: 595-64-4645 FIND 5 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-657-3954. Verify interchangeability with system specifications before substitution.
Key specifications for 595-64-4645 FIND 5: Fastener Length: 3.5 INCHES NOMINAL IN; Head Style: HEXAGON; Part Name Assigned by Controlling Agency: SCREW SHOULDER. 2 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.