The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-199-7659, 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16 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-199-7659 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | FF-S-92,TY 1,STYL 2S FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.375 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 | 16 |
| Material | STEEL CORROSION RESISTING FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Head Diameter | 0.722 INCHES MINIMUM AND 0.762 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 | Y |
| Reference | Meaning |
|---|---|
| FF-S-92 | 5/1 Secondary reference U.S. Government activity |
| 200-2144108PC16 | 5/1 Secondary reference U.S. Government activity |
| FF-S-92 3/8-16UNC-2A-7/8INLG | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
| 77741-17X2PC16 | 5/1 Secondary reference U.S. Government activity |
| MIL-F-18240 | 5/1 Secondary reference U.S. Government activity |
NSN 5305-01-199-7659 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-199-7659: Fastener Length: 0.875 INCHES NOMINAL IN; Thread Length: 0.875 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Material Document and Classification: FF-S-92,TY 1,STYL 2S FED SPEC SINGLE MATERIAL RESPONSE FASTENER. 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.