The Bolt,machine, cataloged under National Stock Number 5306-00-426-6972, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American Standard Inc Westinghouse Air Brake Co Div. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-426-6972 |
| Primary Part Number | R27 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | American Standard Inc Westinghouse Air Brake Co Div |
| Status | ACTIVE |
| Thread Quantity Per Inch | 14 |
| Fastener Length | 3.750 INCHES NOMINAL IN |
| Features Provided | UNFINISHED HEAD |
| Head Height | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Series Designator | UNS |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Material | STEEL COMP 1045 OVERALL |
| Hardness Rating | 20.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Length | 1.375 INCHES MINIMUM IN |
| Width Between Flats | 1.312 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R27 | American Standard Inc Westinghouse Air Brake Co Div (USA) |
NSN 5306-00-426-6972 is a Bolt,machine, manufactured by American Standard Inc Westinghouse Air Brake Co Div, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-426-6972 has 1 cross-referenced part number: R27 (American Standard Inc Westinghouse Air Brake Co Div).
There are 5 known substitutes for 5306-00-426-6972: 3815-00-324-1367, 6760-00-464-3531, 5330-00-913-9237 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for R27: Thread Quantity Per Inch: 14; Fastener Length: 3.750 INCHES NOMINAL IN; Features Provided: UNFINISHED HEAD; Head Height: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.