The Bolt,square Neck, cataloged under National Stock Number 5306-00-054-8052, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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 | 5306-00-054-8052 |
| Primary Part Number | 548052 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | CANCELLED |
| Thread Length | 1.126 INCHES MINIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Diameter | 0.907 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Fastener Length | 3.000 INCHES NOMINAL IN |
| Head Height | 0.219 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 14 |
| Head Style | BUTTON |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 OVERALL |
| Thread Direction | RIGHT-HAND |
| Neck Length | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Neck Width | 0.431 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-006-2269 (MS35751-53) |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 548052 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| FF-B-584F | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS35751-105 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| FFB584 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5306-00-054-8052 is a Bolt,square Neck, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-054-8052 has 4 cross-referenced part numbers: 548052 (U S Army Tank Automotive Command Amsta-Im-Mm), FF-B-584F (Federal Specifications Promulgated by General Services Administration Washington DC), MS35751-105 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FFB584 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5306-00-054-8052: 5306-00-006-2269, 5306-00-011-9430, 5306-00-012-0231 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 548052: Thread Length: 1.126 INCHES MINIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Diameter: 0.438 INCHES IN; Head Diameter: 0.907 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-054-8052 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.