The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-533-4175, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Parker Fasteners Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-533-4175 |
| Primary Part Number | 25C62KCSSB50 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Parker Fasteners Llc |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Special Test Features | 18-8 STAINLESS STEEL SOCKET HEAD SCREW, 1/4"-20 THREAD SIZE, 5/8" LONG |
| Thread Length | 0.625 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Minimum Tensile Strength | 70000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Head Diameter | 0.375 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 |
|---|---|
| 25C62KCSSB50 PRIMARY | Parker Fasteners Llc (USA) |
| 92196A539 | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-533-4175 is a Screw,cap,socket Head, manufactured by Parker Fasteners Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-533-4175 has 2 manufacturer part numbers on file: 25C62KCSSB50 (Parker Fasteners Llc), 92196A539 (Mcmaster-Carr Supply Co).
Key specifications for 25C62KCSSB50: Head Height: 0.250 INCHES NOMINAL IN; Special Test Features: 18-8 STAINLESS STEEL SOCKET HEAD SCREW, 1/4"-20 THREAD SIZE, 5/8" LONG; Thread Length: 0.625 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN. 11 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.