The Bolt,square Neck, cataloged under National Stock Number 5306-00-274-8074, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Equipment Co. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-274-8074 |
| Primary Part Number | 4-10369 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | General Equipment Co |
| Status | CANCELLED |
| Material | STEEL OVERALL |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.016 INCHES MINIMUM AND 1.096 INCHES MAXIMUM IN |
| Neck Width | 0.625 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Neck Length | 0.418 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 11 |
| Thread Class | 2A A |
| Thread Length | 1.500 INCHES MINIMUM IN |
| Head Style | FLAT COUNTERSUNK |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5306-00-274-8074 is a Bolt,square Neck, manufactured by General Equipment Co, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-274-8074 has 3 cross-referenced part numbers: 4-10369 (General Equipment Co), MILH55053 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 4-10369 (Curtiss-Wright Controls, Inc. Div Actuation Division).
There are 12 known substitutes for 5306-00-274-8074: 5975-00-223-1852, 5975-00-244-6118, 5975-00-262-9155 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4-10369: Material: STEEL OVERALL; Fastener Length: 2.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 INCHES IN; Thread Direction: RIGHT-HAND. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-274-8074 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.