The Bolt,machine, cataloged under National Stock Number 5306-00-281-1014, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-281-1014 |
| Primary Part Number | 7403744 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Head Height | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Thread Length | 0.500 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Material Document and Classification | ASTM A547 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A331 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A547 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Series Designator | UNF |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TYPE 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Fastener Length | 1.780 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 24 |
| Grip Length | 1.250 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.650 INCHES MINIMUM AND 1.670 INCHES MAXIMUM FIRST HOLE IN |
| Shank Unthreaded Hole Diameter | 0.074 INCHES MINIMUM AND 0.079 INCHES MAXIMUM FIRST HOLE IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Material | STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL |
| Features Provided | FINISHED HEAD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5306-00-281-1014 is a Bolt,machine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-281-1014 has 2 cross-referenced part numbers: 7403744 (U S Army Tank Automotive Command Amsta-Im-Mm), 401545 (Renk America Llc Div Renk America).
There are 2 known substitutes for 5306-00-281-1014: 2915-00-607-5941, 6515-01-211-4782. Verify interchangeability with system specifications before substitution.
Key specifications for 7403744: Thread Direction: RIGHT-HAND; Width Between Flats: 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Thread Class: 3A A; Head Height: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN. 19 total characteristics are documented in the Federal Logistics Information System.