The Bolt,machine, cataloged under National Stock Number 5306-01-078-4966, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-078-4966 |
| Primary Part Number | 6886103 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Extended Washer Thickness | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Head Height | 0.205 INCHES NOMINAL IN |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.565 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Width Between Flats | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.1644 TO 0.1667 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNS |
| Hole Type | DRILLED |
| Hole Diameter | 0.047 INCHES NOMINAL IN |
| 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 |
|---|---|
| 6886103 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6886103 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5306-01-078-4966 is a Bolt,machine, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-078-4966 has 1 manufacturer part number on file: 6886103 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6886103: Surface Finish: 63.0 MICROINCHES GRIP; Extended Washer Thickness: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN; Head Height: 0.205 INCHES NOMINAL IN; Fastener Length: 1.250 INCHES NOMINAL IN. 19 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.