The Bolt,machine, cataloged under National Stock Number 5306-01-719-3239, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Askew Industrial Corp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-719-3239 |
| Primary Part Number | 37C225HCS/7181222J |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Askew Industrial Corp |
| Status | ACTIVE |
| Fastener Length | 2.25 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B637 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 37C225HCS/7181222J PRIMARY | Askew Industrial Corp (USA) |
NSN 5306-01-719-3239 is a Bolt,machine, manufactured by Askew Industrial Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-719-3239 has 1 manufacturer part number on file: 37C225HCS/7181222J (Askew Industrial Corp).
Key specifications for 37C225HCS/7181222J: Fastener Length: 2.25 INCHES NOMINAL IN; Material Document and Classification: ASTM B637 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.375 INCHES IN; Head Style: HEXAGON. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.