The Screw,machine, cataloged under National Stock Number 5305-00-272-3979, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-272-3979 |
| Primary Part Number | 116104PC8 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Fastener Length | 0.640 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN |
| Screw Material Document and Classification | SAE 70B ASSN STD 1ST MATERIAL RESPONSE OR QQ-B-639 FED SPEC 2ND MATERIAL RESPONSE |
| Thread Length | 0.330 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | COPPER ALLOY 464 |
| Internal Drive Style | SLOT |
| Countersink Angle | 60.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.504 INCHES MINIMUM AND 0.514 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 |
|---|---|
| 116104PC8 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-00-272-3979 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 5305-00-272-3979 has 1 manufacturer part number on file: 116104PC8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 116104PC8: Fastener Length: 0.640 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN; Screw Material Document and Classification: SAE 70B ASSN STD 1ST MATERIAL RESPONSE OR QQ-B-639 FED SPEC 2ND MATERIAL RESPONSE; Thread Length: 0.330 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.312 INCHES 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.