The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-192-2208, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-192-2208 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Head Height | 0.630 INCHES NOMINAL IN |
| Fastener Length | 1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Thread Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| First Diameter From Head | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUAILTY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Head Diameter | 0.940 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 | C |
| Reference | Meaning |
|---|---|
| MS16995-112(MOD) | 5/1 Secondary reference U.S. Government activity |
| 946J921PC5 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5305-01-192-2208 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-192-2208: Width Across Flats: 0.500 INCHES NOMINAL IN; Head Height: 0.630 INCHES NOMINAL IN; Fastener Length: 1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Thread Length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. 18 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.