The Screw,machine, cataloged under National Stock Number 5305-01-485-8404, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Electronic Fasteners Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-485-8404 |
| Primary Part Number | SEP8-32 X 3/8 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Electronic Fasteners Inc |
| Status | ACTIVE |
| Head Height | 0.091 INCHES NOMINAL IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Distance Between Hole Centers | 0.156 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 303 |
| Internal Drive Style | DRILLED HOLES |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.315 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 |
|---|---|
| SEP8-32 X 3/8 | Electronic Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-A-823911-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-485-8404 is a Screw,machine, manufactured by Electronic Fasteners Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-485-8404 has 1 manufacturer part number on file: SEP8-32 X 3/8 (Electronic Fasteners Inc).
Key specifications for SEP8-32 X 3/8: Head Height: 0.091 INCHES NOMINAL IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.375 INCHES NOMINAL IN; Distance Between Hole Centers: 0.156 INCHES NOMINAL IN. 14 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.