The Screw,machine, cataloged under National Stock Number 5305-01-276-7028, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-276-7028 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Thread Length | 0.148 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS662 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PATCH OR PELLET OR STRIP |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 56 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.143 INCHES MINIMUM AND 0.172 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 |
|---|---|
| FF-S-92 | 4/1 Identification reference U.S. Government activity |
| NAS662C2LER4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-276-7028 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-276-7028: Fastener Length: 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Thread Length: 0.148 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.086 INCHES IN; Thread Direction: RIGHT-HAND. 12 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.