The Screw,machine, cataloged under National Stock Number 5305-01-391-2884, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-391-2884 |
| Primary Part Number | 2576671-4 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Head Height | 0.029 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Screw Surface Treatment | TIN |
| Fastener Length | 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.153 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.060 INCHES IN |
| Head Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 1 TYPE AND 1S STYLE |
| Screw Material | COPPER ALLOY 360 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 80 |
| Thread Series Designator | UNF |
| Head Diameter | 0.119 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | MIL-T-10727, TY1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-391-2884 is a Screw,machine, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-391-2884 has 2 manufacturer part numbers on file: 2576671-4 (Asi Aerospace Group Dba Aerospace Supply), 2576671-4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2576671-4: Head Height: 0.029 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN; Screw Surface Treatment: TIN; Fastener Length: 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE. 16 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.