The Bolt,assembled Washer, cataloged under National Stock Number 5306-01-379-4093, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-379-4093 |
| Primary Part Number | 40055467 |
| Item Name | Bolt,assembled Washer |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Primary Washer Style | SPLIT |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4140H OR STEEL COMP 4042H OVERALL |
| Thread Series Designator | UNF |
| Washer Quantity | 1 |
| 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 |
|---|---|
| 40055467 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 9318052 | 5/9 Secondary reference Zf Industrieantriebe Witten Gmbh |
| 40055467 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
| 9318025 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 5306-01-379-4093 is a Bolt,assembled Washer, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-379-4093 has 1 manufacturer part number on file: 40055467 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
Key specifications for 40055467: Nominal Thread Diameter: 0.625 INCHES IN; Head Style: HEXAGON; Primary Washer Style: SPLIT; Thread Direction: RIGHT-HAND. 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.