The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-225-4505, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-225-4505 |
| Primary Part Number | 2042-70 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Thread Class | 3A A |
| Thread Length | 0.450 INCHES NOMINAL IN |
| Head Height | 0.250 INCHES NOMINAL IN |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.260 INCHES NOMINAL FIRST HOLE IN |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNF |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Shoulder Diameter | 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN |
| Countersink Angle | 60.0 DEGREES NOMINAL |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Shank Unthreaded Hole Diameter | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | MIL-S-8844,CLSASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 4340 OVERALL |
| Concentric Hole Diameter | 0.484 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 16 |
| Shoulder Length | 1.570 INCHES NOMINAL IN |
| Width Between Flats | 1.060 INCHES NOMINAL IN |
| Fastener Length | 2.140 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5306-01-225-4505 is a Bolt,internally Relieved Body, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-01-225-4505 has 2 cross-referenced part numbers: 2042-70 (Goodrich Corporation Div Advanced Structures Landing Systems), 2042-70 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
There are 3 known substitutes for 5306-01-225-4505: 5365-00-153-7725, 5305-00-838-6535, 6150-01-217-4105. Verify interchangeability with system specifications before substitution.
Key specifications for 2042-70: Thread Class: 3A A; Thread Length: 0.450 INCHES NOMINAL IN; Head Height: 0.250 INCHES NOMINAL IN; Distance From Head Largest Bearing Surface to Shank Hole Center: 2.260 INCHES NOMINAL FIRST HOLE IN. 19 total characteristics are documented in the Federal Logistics Information System.