The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-440-6041, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 18 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 | 5305-01-440-6041 |
| Primary Part Number | 20097-4F-12Z |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Width Across Flats | 0.093 INCHES NOMINAL IN |
| Head Height | 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM B633 TY2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.708 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | KNURLED NO. 5 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Minimum Tensile Strength | 170000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 48 |
| Material | STEEL UNS K03104 OVERALL |
| Thread Series Designator | UNRF |
| Head Diameter | 0.176 INCHES MINIMUM AND 0.183 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 |
|---|---|
| 20097-4F-12Z PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5305-01-440-6041 is a Screw,cap,socket Head, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-440-6041 has 1 manufacturer part number on file: 20097-4F-12Z (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 20097-4F-12Z: Width Across Flats: 0.093 INCHES NOMINAL IN; Head Height: 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Fastener Length: 0.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM B633 TY2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 18 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.