The Bolt,machine, cataloged under National Stock Number 5306-01-238-6378, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fuel Systems Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-238-6378 |
| Primary Part Number | 400627-0620 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fuel Systems Inc |
| Status | ACTIVE |
| External Thread Tolerance Class | 4H6H |
| Fastener Length | 20.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.0 |
| Thread Length | 20.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 6.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| 400627-0620 | Fuel Systems Inc (USA) |
| 400627-0620 | Aerobase Group Inc (USA) |
| 400627-0620 | Apollo Aerospace Components Llc (USA) |
| Reference | Meaning |
|---|---|
| 400627-0620 | 3/9 Design control — primary reference Garrett Transportation I, Inc. |
| 400627-0620 | 5/9 Secondary reference Allied Signal Ltd |
| 400627-0620 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 5306-01-238-6378 is a Bolt,machine, manufactured by Fuel Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-238-6378 has 3 manufacturer part numbers on file: 400627-0620 (Fuel Systems Inc), 400627-0620 (Aerobase Group Inc), 400627-0620 (Apollo Aerospace Components Llc).
Key specifications for 400627-0620: External Thread Tolerance Class: 4H6H; Fastener Length: 20.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.0; Thread Length: 20.0 MILLIMETERS NOMINAL MM. 10 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.