The Bolt,machine, cataloged under National Stock Number 5306-00-188-0263, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Eagle Crusher Co Inc Dba Stedman Machine Co. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-188-0263 |
| Primary Part Number | BF1910020 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Eagle Crusher Co Inc Dba Stedman Machine Co |
| Status | ACTIVE |
| Head Height | 0.400 INCHES NOMINAL IN |
| Fastener Length | 1.219 INCHES NOMINAL IN |
| Thread Length | 1.125 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.928 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| 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 |
|---|---|
| BF1910020 PRIMARY | Eagle Crusher Co Inc Dba Stedman Machine Co (USA) |
| Reference | Meaning |
|---|---|
| BF1910020 | 5/9 Secondary reference Lockwood Corp |
NSN 5306-00-188-0263 is a Bolt,machine, manufactured by Eagle Crusher Co Inc Dba Stedman Machine Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-188-0263 has 1 manufacturer part number on file: BF1910020 (Eagle Crusher Co Inc Dba Stedman Machine Co).
Key specifications for BF1910020: Head Height: 0.400 INCHES NOMINAL IN; Fastener Length: 1.219 INCHES NOMINAL IN; Thread Length: 1.125 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 INCHES IN. 11 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.