The Screw,shoulder, cataloged under National Stock Number 5305-00-206-6471, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-206-6471 |
| Primary Part Number | 503389 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Shoulder Length | 0.250 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.172 INCHES NOMINAL AND 0.176 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.625 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM B16 ASSN STD 1ST MATERIAL RESPONSE OR QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OR QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | NICKEL OR CHROMIUM OVERALL |
| Minimum Tensile Strength | 57000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 25000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY 360 OR COPPER ALLOY 342 OR COPPER ALLOY 268 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.375 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 |
| Part Number | Manufacturer |
|---|---|
| 503389 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-00-206-6471 is a Screw,shoulder, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-206-6471 has 1 manufacturer part number on file: 503389 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 503389: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.875 INCHES NOMINAL IN; Shoulder Length: 0.250 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.172 INCHES NOMINAL AND 0.176 INCHES MAXIMUM FIRST SHOULDER IN. 19 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.