The Bolt,square Neck, cataloged under National Stock Number 5306-00-054-8024, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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 | 5306-00-054-8024 |
| Primary Part Number | ASME-B18.5 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Material | STEEL OVERALL |
| Neck Width | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Fastener Length | 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN |
| Head Diameter | 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment Document and Classification | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | ZINC OVERALL |
| Neck Length | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Head Style | BUTTON |
| Thread Class | 2A A |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Quantity Per Inch | 18 |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Thread Length | 0.875 INCHES MINIMUM IN |
| Head Height | 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ASME-B18.5 | The American Society of Mechanical Engineers (USA) |
| FF-B-584 TY1CL1STAGR1 | General Services Administration Federal Supply Service (USA) |
| MS35751-47 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| FF-B-584 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B18.5 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
NSN 5306-00-054-8024 is a Bolt,square Neck, manufactured by The American Society of Mechanical Engineers, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-054-8024 has 5 cross-referenced part numbers: ASME-B18.5 (The American Society of Mechanical Engineers), FF-B-584 TY1CL1STAGR1 (General Services Administration Federal Supply Service), MS35751-47 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FF-B-584 (Federal Specifications Promulgated by General Services Administration Washington DC), B18.5 (American National Standards Institute Incorporated Dba American National Standards Institute).
There are 12 known substitutes for 5306-00-054-8024: 5306-00-010-9115, 5306-00-012-0955, 5306-00-012-6227 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASME-B18.5: Material: STEEL OVERALL; Neck Width: 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN; Fastener Length: 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN; Head Diameter: 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-054-8024 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.