The Screw,shoulder, cataloged under National Stock Number 5305-00-219-7948, 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16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-219-7948 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.190 INCHES NOMINAL IN |
| Shoulder Length | 0.058 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.105 INCHES MINIMUM AND 0.106 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.097 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | NICKEL OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 64 |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.161 INCHES MINIMUM AND 0.167 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 |
|---|---|
| 639-21-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-219-7948 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-219-7948: Fastener Length: 0.190 INCHES NOMINAL IN; Shoulder Length: 0.058 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.105 INCHES MINIMUM AND 0.106 INCHES MAXIMUM FIRST SHOULDER IN; Thread Length: 0.097 INCHES MINIMUM 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.