The Screw,shoulder, cataloged under National Stock Number 5305-01-653-6745, 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 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-653-6745 |
| Primary Part Number | 73259 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations |
| Status | ACTIVE |
| Width Across Flats | 0.312 INCHES NOMINAL IN |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 302 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.875 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 |
|---|---|
| 73259 PRIMARY | Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations (USA) |
| 90298A806 | Mcmaster-Carr Supply Co (USA) |
| F153853 REV A ITEM NO 32 | Lake Shore Systems, Inc. (USA) |
NSN 5305-01-653-6745 is a Screw,shoulder, manufactured by Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-653-6745 has 3 manufacturer part numbers on file: 73259 (Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations), 90298A806 (Mcmaster-Carr Supply Co), F153853 REV A ITEM NO 32 (Lake Shore Systems, Inc.).
Key specifications for 73259: Width Across Flats: 0.312 INCHES NOMINAL IN; Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN; Thread Length: 0.750 INCHES NOMINAL IN. 13 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.