The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-593-9456, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-593-9456 |
| Primary Part Number | 360-M5407-61-0050 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations |
| Status | ACTIVE |
| Width Across Flats | 0.094 INCHES NOMINAL IN |
| Head Height | 0.112 INCHES NOMINAL IN |
| Fastener Length | 0.550 INCHES NOMINAL IN |
| Thread Length | 0.438 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.183 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 |
|---|---|
| 91864A081 | Mcmaster-Carr Supply Co (USA) |
| 360-M5407-61-0050 PRIMARY | Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations (USA) |
| Reference | Meaning |
|---|---|
| 91251A831 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 5305-01-593-9456 is a Screw,cap,socket Head, manufactured by Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-593-9456 has 2 manufacturer part numbers on file: 91864A081 (Mcmaster-Carr Supply Co), 360-M5407-61-0050 (Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations).
Key specifications for 360-M5407-61-0050: Width Across Flats: 0.094 INCHES NOMINAL IN; Head Height: 0.112 INCHES NOMINAL IN; Fastener Length: 0.550 INCHES NOMINAL IN; Thread Length: 0.438 INCHES NOMINAL IN. 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.