The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-275-8385, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-275-8385 |
| Primary Part Number | 8380671 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Thread Length | 1.312 INCHES MINIMUM IN |
| Head Style | DEE |
| Head Height | 0.500 INCHES NOMINAL IN |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 7.000 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | QQ-S-624,FS2340 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series Designator | UNF |
| Counterbore Diameter | 0.188 INCHES NOMINAL IN |
| Features Provided | CASEHARDENED |
| Concentric Hole Diameter | 0.328 INCHES NOMINAL IN |
| Fastener Length | 7.250 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Distance From Centerline to Flat | 0.875 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Concentric Hole Depth | 3.500 INCHES NOMINAL IN |
| Head Diameter | 1.875 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Shank Unthreaded Hole Diameter | 0.266 INCHES NOMINAL FIRST HOLE IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5306-00-275-8385 is a Bolt,internally Relieved Body, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-275-8385 has 2 cross-referenced part numbers: 53327 (Fruehauf Corp), 8380671 (U S Army Tank Automotive Command Amsta-Im-Mm).
There is 1 known substitute for 5306-00-275-8385: 2520-00-773-5675. Verify interchangeability with system specifications before substitution.
Key specifications for 8380671: Thread Length: 1.312 INCHES MINIMUM IN; Head Style: DEE; Head Height: 0.500 INCHES NOMINAL IN; Distance From Head Largest Bearing Surface to Shank Hole Center: 7.000 INCHES NOMINAL FIRST HOLE IN. 17 total characteristics are documented in the Federal Logistics Information System.