The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-033-0412, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Simmonds Precision Products Inc. Government technical data includes 15 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 | 5305-01-033-0412 |
| Primary Part Number | S6340CESCR26 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Simmonds Precision Products Inc |
| Status | ACTIVE |
| Head Height | 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Fastener Length | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Length | 0.308 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH THREADS |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 56 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.124 INCHES MINIMUM AND 0.140 INCHES MAXIMUM 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 |
|---|---|
| S6340CESCR26 PRIMARY | Simmonds Precision Products Inc (USA) |
NSN 5305-01-033-0412 is a Screw,cap,socket Head, manufactured by Simmonds Precision Products Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-033-0412 has 1 manufacturer part number on file: S6340CESCR26 (Simmonds Precision Products Inc).
Key specifications for S6340CESCR26: Head Height: 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Fastener Length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Length: 0.308 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 15 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.