The Bolt,machine, cataloged under National Stock Number 5306-00-151-1003, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Donallco Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 5306-00-151-1003 |
| Primary Part Number | 397-16 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Donallco Inc |
| Status | ACTIVE |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Thread Series Designator | UNF |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Fastener Length | 2.281 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Features Provided | FINISHED HEAD |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR MIL-S-8695 MIL SPEC 6TH MATERIAL RESPONSE OVERALL |
| Grip Length | 1.812 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM FIRST HOLE IN |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.124 INCHES NOMINAL FIRST HOLE IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.469 INCHES MINIMUM IN |
| Acquisition Status | ACTIVE |
| Successor | 5340-00-526-3261 (X218-16) |
| HAZMAT | No |
NSN 5306-00-151-1003 is a Bolt,machine, manufactured by Donallco Inc, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-151-1003 has 3 cross-referenced part numbers: 397-16 (Donallco Inc), AN4-22 (Aeronautical Standards Group Dept of Navy and Air Force), 397-16 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
There are 2 known substitutes for 5306-00-151-1003: 5340-00-526-3261, 3040-01-479-5133. Verify interchangeability with system specifications before substitution.
Key specifications for 397-16: Width Between Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Head Style: HEXAGON; Thread Series Designator: UNF; Thread Class: 3A A. 20 total characteristics are documented in the Federal Logistics Information System.