The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-682-4859, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Safran Aerosystems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-682-4859 |
| Primary Part Number | 951282 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Safran Aerosystems |
| Status | ACTIVE |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.1640 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Locking Feature | STRIP LOCKING FEATURE |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 0.319 INCHES MINIMUM AND 0.332 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 |
|---|---|
| 951282 | Safran Aerosystems (FRA) |
| Reference | Meaning |
|---|---|
| NAS1189E08T10N | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-682-4859 is a Screw,cap,socket Head, manufactured by Safran Aerosystems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-682-4859 has 1 manufacturer part number on file: 951282 (Safran Aerosystems).
Key specifications for 951282: Fastener Length: 0.625 INCHES NOMINAL IN; Nominal Thread Diameter: 0.1640 INCHES IN; Head Style: FLAT COUNTERSUNK; Thread Direction: RIGHT-HAND. 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.