The Screw,shoulder, cataloged under National Stock Number 5305-00-110-3403, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 18 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 | 5305-00-110-3403 |
| Primary Part Number | SP-2642-3 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 2.664 INCHES MINIMUM AND 2.695 INCHES MAXIMUM IN |
| Shoulder Length | 0.320 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.370 INCHES MINIMUM AND 0.372 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.438 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.500 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 |
|---|---|
| SP-2642-3 PRIMARY | Breeze-Eastern Llc (USA) |
NSN 5305-00-110-3403 is a Screw,shoulder, manufactured by Breeze-Eastern Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-110-3403 has 1 manufacturer part number on file: SP-2642-3 (Breeze-Eastern Llc).
Key specifications for SP-2642-3: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 2.664 INCHES MINIMUM AND 2.695 INCHES MAXIMUM IN; Shoulder Length: 0.320 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.