The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-368-1707, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-368-1707 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.1562 INCHES MINIMUM AND 0.1587 INCHES MAXIMUM IN |
| Head Height | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Fastener Length | 0.370 INCHES NOMINAL IN |
| Thread Length | 0.292 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | STRIP THREADS |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | NICKEL ALLOY 400 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.303 INCHES MINIMUM AND 0.313 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 |
|---|---|
| 53A-00-199-1 | 5/9 Secondary reference Naval Sea Systems Command |
| 53A-00-199-1 | 5/9 Secondary reference Illinois Tool Wks Inc Linac Div |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
| M1222SX3F36NALN | 2/2 Government specification standardization U.S. Government activity |
| 53A-00-199-X-1 | 5/1 Secondary reference Naval Sea Systems Command |
| 53A-00-199-1 | 5/9 Secondary reference Air Specialties, Inc |
| 53A-00-199-1 | 5/9 Secondary reference Alpha Aerospace Hardware Inc |
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
NSN 5305-01-368-1707 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-368-1707: Width Across Flats: 0.1562 INCHES MINIMUM AND 0.1587 INCHES MAXIMUM IN; Head Height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Fastener Length: 0.370 INCHES NOMINAL IN; Thread Length: 0.292 INCHES NOMINAL IN. 16 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.