The Screw,shoulder, cataloged under National Stock Number 5305-01-413-2691, 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16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-413-2691 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.0940 INCHES NOMINAL IN |
| Head Height | 0.1250 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN |
| Fastener Length | 0.3443 INCHES MINIMUM AND 0.4097 INCHES MAXIMUM IN |
| Shoulder Length | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.1860 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.1563 INCHES MINIMUM AND 0.2187 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.2813 INCHES MINIMUM AND 0.3437 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 |
|---|---|
| MS51576-7 | 2/2 Government specification standardization U.S. Government activity |
| 5305PL2196833 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5305014132691 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5305-01-413-2691 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-413-2691: Width Across Flats: 0.0940 INCHES NOMINAL IN; Head Height: 0.1250 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN; Fastener Length: 0.3443 INCHES MINIMUM AND 0.4097 INCHES MAXIMUM IN; Shoulder Length: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM FIRST SHOULDER 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.