The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-006-2065, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-006-2065 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.468 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Length | 0.244 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PELLET THREADS |
| Internal Drive Style | SLOT |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 400 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.452 INCHES MINIMUM AND 0.507 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 |
|---|---|
| SS-128-4491143PC17 | 3/9 Design control — primary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 4491143PC17 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5305-01-006-2065 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-006-2065: Fastener Length: 0.468 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Thread Length: 0.244 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN; Material Document and Classification: QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.250 INCHES IN. 14 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.