The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-602-2199, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Kerr Lakeside Inc.. Government technical data includes 14 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 | 5305-01-602-2199 |
| Primary Part Number | 25C112KCS/X |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Kerr Lakeside Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.1875 INCHES NOMINAL IN |
| Head Height | 0.25 INCHES NOMINAL IN |
| Fastener Length | 1.125 INCHES NOMINAL IN |
| Thread Length | 1.125 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT FILLISTER |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 25C112KCS/X PRIMARY | Kerr Lakeside Inc. (USA) |
| 91251A560 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-602-2199 is a Screw,cap,socket Head, manufactured by Kerr Lakeside Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-602-2199 has 2 manufacturer part numbers on file: 25C112KCS/X (Kerr Lakeside Inc.), 91251A560 (Mcmaster-Carr Supply Co).
Key specifications for 25C112KCS/X: Width Across Flats: 0.1875 INCHES NOMINAL IN; Head Height: 0.25 INCHES NOMINAL IN; Fastener Length: 1.125 INCHES NOMINAL IN; Thread Length: 1.125 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.