The Bolt,machine, cataloged under National Stock Number 5306-00-990-2860, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-990-2860 |
| Primary Part Number | 6825440-16 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.875 INCHES MINIMUM IN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.375 INCHES NOMINAL IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 6825440-16 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6825440-16 | 5/9 Secondary reference General Motors Corp |
NSN 5306-00-990-2860 is a Bolt,machine, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-990-2860 has 1 manufacturer part number on file: 6825440-16 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6825440-16: Extended Washer Thickness: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 1.250 INCHES NOMINAL IN; Extended Washer Diameter: 0.500 INCHES NOMINAL IN. 17 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.