The Bolt,machine, cataloged under National Stock Number 5306-00-273-6356, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 5306-00-273-6356 |
| Primary Part Number | 1D4538 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Thread Quantity Per Inch | 18 |
| Head Style | HEXAGON |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Fastener Length | 2.250 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL OVERALL |
| Hardness Rating | 30.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Class | 2A A |
| Thread Length | 0.875 INCHES MAXIMUM IN |
| Minimum Yield Strength | 145000 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.234 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1D4538 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5306-00-273-6356 is a Bolt,machine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-273-6356 has 1 cross-referenced part number: 1D4538 (Caterpillar Inc Div Caterpillar Defense).
There is 1 known substitute for 5306-00-273-6356: 5306-00-226-4834. Verify interchangeability with system specifications before substitution.
Key specifications for 1D4538: Thread Quantity Per Inch: 18; Head Style: HEXAGON; Width Between Flats: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.