The Bolt,machine, cataloged under National Stock Number 5306-01-568-4850, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Military & Commercial Fasteners Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-568-4850 |
| Primary Part Number | 37C237HCS8D/TFL |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Military & Commercial Fasteners Corp |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 2.380 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A354 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL 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 |
|---|---|
| 37C237HCS8D/TFL PRIMARY | Military & Commercial Fasteners Corp (USA) |
| Reference | Meaning |
|---|---|
| 13013634-1 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5306-01-568-4850 is a Bolt,machine, manufactured by Military & Commercial Fasteners Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-568-4850 has 1 manufacturer part number on file: 37C237HCS8D/TFL (Military & Commercial Fasteners Corp).
Key specifications for 37C237HCS8D/TFL: Head Height: 0.226 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 2.380 INCHES NOMINAL IN; Material Document and Classification: ASTM A354 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 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.