The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-435-2001, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Electro Optical Industries Inc. Government technical data includes 4 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 | 5305-01-435-2001 |
| Primary Part Number | 4-40X1/8BHCS |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Electro Optical Industries Inc |
| Status | ACTIVE |
| Fastener Length | 0.125 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 4-40X1/8BHCS PRIMARY | Electro Optical Industries Inc (USA) |
NSN 5305-01-435-2001 is a Screw,cap,socket Head, manufactured by Electro Optical Industries Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-435-2001 has 1 manufacturer part number on file: 4-40X1/8BHCS (Electro Optical Industries Inc).
Key specifications for 4-40X1/8BHCS: Fastener Length: 0.125 INCHES NOMINAL IN; Nominal Thread Diameter: 0.112 INCHES IN; Thread Quantity Per Inch: 40; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 4 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.