The Screw,machine, cataloged under National Stock Number 5305-01-016-4331, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-016-4331 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Screw Surface Treatment | OXIDE |
| Fastener Length | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Screw Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.282 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Minimum Tensile Strength | 60000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 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 |
| Reference | Meaning |
|---|---|
| 250250-64 | 5/9 Secondary reference Metadure Parts & Sales, Inc. |
| 19044 BLK OXD | 5/9 Secondary reference Federal Screw Products, Inc. |
| 19044 BLK OXDADX | 3/9 Design control — primary reference Airdale Express Llc Div Airdale Express |
NSN 5305-01-016-4331 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-016-4331: Head Height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Screw Surface Treatment: OXIDE; Fastener Length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Screw Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE. 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.