The Screw,machine, cataloged under National Stock Number 5305-00-271-6499, 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 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-271-6499 |
| Primary Part Number | SP3687 |
| 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 | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Fastener Length | 0.622 INCHES NOMINAL IN |
| Screw Material Document and Classification | MIL-S-16124 CL 1 COMP A MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UN |
| Head Diameter | 0.490 INCHES MINIMUM AND 0.495 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 |
|---|---|
| SP3687 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 46420PC22 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 63797PC7 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-00-271-6499 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 5305-00-271-6499 has 3 manufacturer part numbers on file: SP3687 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 46420PC22 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 63797PC7 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for SP3687: Head Height: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Fastener Length: 0.622 INCHES NOMINAL IN; Screw Material Document and Classification: MIL-S-16124 CL 1 COMP A MIL SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN. 13 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.