The Screw,shoulder, cataloged under National Stock Number 5305-00-488-4364, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-488-4364 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.220 INCHES NOMINAL IN |
| Fastener Length | 2.290 INCHES NOMINAL IN |
| Shoulder Length | 1.870 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | ESS 001,FSCM 81873 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.3750 INCHES MINIMUM AND 0.3754 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.360 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.075 INCHES NOMINAL FIRST HOLE IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.090 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 0.480 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 | X |
| Reference | Meaning |
|---|---|
| 41000587 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-488-4364 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-488-4364: Head Height: 0.220 INCHES NOMINAL IN; Fastener Length: 2.290 INCHES NOMINAL IN; Shoulder Length: 1.870 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: ESS 001,FSCM 81873 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 20 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.