The Bolt,machine, cataloged under National Stock Number 5306-00-437-4475, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fabrication Specialty Inc Dba Fabrication Specialty Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-437-4475 |
| Primary Part Number | 2854875 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fabrication Specialty Inc Dba Fabrication Specialty Inc |
| Status | ACTIVE |
| Head Height | 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN |
| Fastener Length | 5.250 INCHES NOMINAL IN |
| Thread Length | 1.375 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.875 INCHES NOMINAL IN |
| Width Between Flats | 1.125 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1038 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 2854875 | Fabrication Specialty Inc Dba Fabrication Specialty Inc (USA) |
| Reference | Meaning |
|---|---|
| MMC42-17 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-437-4475 is a Bolt,machine, manufactured by Fabrication Specialty Inc Dba Fabrication Specialty Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-437-4475 has 1 manufacturer part number on file: 2854875 (Fabrication Specialty Inc Dba Fabrication Specialty Inc).
Key specifications for 2854875: Head Height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN; Fastener Length: 5.250 INCHES NOMINAL IN; Thread Length: 1.375 INCHES NOMINAL IN; Nominal Thread Diameter: 0.750 INCHES IN. 14 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.