The Screw,shoulder, cataloged under National Stock Number 5305-01-378-7844, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Indal Technologies Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-378-7844 |
| Primary Part Number | 427585-1 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Indal Technologies Inc |
| Status | ACTIVE |
| Head Height | 0.100 INCHES NOMINAL IN |
| Fastener Length | 1.120 INCHES NOMINAL IN |
| Shoulder Length | 0.400 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35.TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.182 INCHES MINIMUM AND 0.185 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.670 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 316 OR STEEL COMP 303 OR STEEL COMP 303MA OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OR STEEL COMP 302 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.312 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 |
|---|---|
| 427585-1 | Indal Technologies Inc (CAN) |
| Reference | Meaning |
|---|---|
| 427585-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-378-7844 is a Screw,shoulder, manufactured by Indal Technologies Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-378-7844 has 1 manufacturer part number on file: 427585-1 (Indal Technologies Inc).
Key specifications for 427585-1: Head Height: 0.100 INCHES NOMINAL IN; Fastener Length: 1.120 INCHES NOMINAL IN; Shoulder Length: 0.400 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35.TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 17 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.