The Screw,shoulder, cataloged under National Stock Number 5305-00-781-4002, 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 16 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 | 5305-00-781-4002 |
| Primary Part Number | BL3943 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Head Height | 0.110 INCHES NOMINAL IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Shoulder Length | 0.532 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.182 INCHES MINIMUM AND 0.189 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.218 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 304 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 |
|---|---|
| BL3943 PRIMARY | Breeze-Eastern Llc (USA) |
NSN 5305-00-781-4002 is a Screw,shoulder, manufactured by Breeze-Eastern Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-781-4002 has 1 manufacturer part number on file: BL3943 (Breeze-Eastern Llc).
Key specifications for BL3943: Head Height: 0.110 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL IN; Shoulder Length: 0.532 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.182 INCHES MINIMUM AND 0.189 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.