The Screw,machine, cataloged under National Stock Number 5305-00-565-8020, 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12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-565-8020 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN |
| Fastener Length | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN |
| Thread Length | 0.302 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.218 INCHES NOMINAL 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 |
|---|---|
| 131045 | 5/9 Secondary reference At and T Corp |
| 131045 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| 131045 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
NSN 5305-00-565-8020 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6640-00-736-7673. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-00-565-8020: Head Height: 0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN; Fastener Length: 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN; Thread Length: 0.302 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.138 INCHES IN. 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.