The Bolt,machine, cataloged under National Stock Number 5306-01-693-4316, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Engine Systems, Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-693-4316 |
| Primary Part Number | 457000 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Engine Systems, Inc. |
| Status | ACTIVE |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.50 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 20 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5306-01-693-4316 is a Bolt,machine, manufactured by Engine Systems, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-693-4316 has 2 manufacturer part numbers on file: 457000 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc), 457000 (Engine Systems, Inc.).
Key specifications for 457000: Fastener Length: 1.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.50 INCHES IN; Thread Direction: RIGHT-HAND; Part Name Assigned by Controlling Agency: BOLT 1/2-20 X 1-3/4. 4 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.