The Bolt,machine, cataloged under National Stock Number 5306-00-274-1925, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-274-1925 |
| Primary Part Number | 3211126 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | CANCELLED |
| Width Between Flats | 1.125 INCHES NOMINAL IN |
| Head Height | 0.562 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Fastener Length | 4.938 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 16 |
| Features Provided | UNFINISHED HEAD |
| Shank Unthreaded Hole Diameter | 0.157 INCHES NOMINAL FIRST HOLE IN |
| Thread Length | 1.125 INCHES MINIMUM IN |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 4.688 INCHES NOMINAL FIRST HOLE IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Material | STEEL OVERALL |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Class | 3A A |
| Thread Series Designator | UNF |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3211126 | General Motors Corp (USA) |
| 3224450 | General Motors Corp Electro-Motive Div (USA) |
| 3211126 | General Motors Llc Dba General Motors Llc (USA) |
| 3211126 PRIMARY | Hatch & Kirk, Inc. (USA) |
| 3224450 | General Motors Llc Dba General Motors Llc (USA) |
| 3224450 | General Motors Corp (USA) |
| 3224450 PRIMARY | Hatch & Kirk, Inc. (USA) |
| 3211126 | General Motors Corp Electro-Motive Div (USA) |
NSN 5306-00-274-1925 is a Bolt,machine, manufactured by Hatch & Kirk, Inc., classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-274-1925 has 8 cross-referenced part numbers: 3211126 (General Motors Corp), 3224450 (General Motors Corp Electro-Motive Div), 3211126 (General Motors Llc Dba General Motors Llc), 3211126 (Hatch & Kirk, Inc.), 3224450 (General Motors Llc Dba General Motors Llc) and 3 more.
There are 2 known substitutes for 5306-00-274-1925: 5306-00-364-2331, 3030-01-158-8470. Verify interchangeability with system specifications before substitution.
Key specifications for 3211126: Width Between Flats: 1.125 INCHES NOMINAL IN; Head Height: 0.562 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Fastener Length: 4.938 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-274-1925 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.