The Screw,machine, cataloged under National Stock Number 5305-01-334-2895, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-334-2895 |
| Primary Part Number | 803-5959303-X-91 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Screw Material Document and Classification | ASTM B348,GR 5 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.875 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Locking Feature Material | PLASTIC POLYAMIDE NYLON |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH OR PELLET OR STRIP |
| Screw Material | TITANIUM ALLOY UNS R56400 |
| Internal Drive Style | SLOT |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.685 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 803-5959303-X-91 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 524-6603688-VHBA-102 | 5/9 Secondary reference Naval Sea Systems Command |
| 5959303-91 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-334-2895 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-334-2895 has 1 manufacturer part number on file: 803-5959303-X-91 (Naval Sea Systems Command).
Key specifications for 803-5959303-X-91: Fastener Length: 1.000 INCHES NOMINAL IN; Screw Material Document and Classification: ASTM B348,GR 5 ASSN STD SINGLE MATERIAL RESPONSE; Thread Length: 0.875 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Locking Feature Material: PLASTIC POLYAMIDE NYLON. 15 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.