The Bolt,machine, cataloged under National Stock Number 5306-01-217-2909, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-217-2909 |
| Primary Part Number | 29549602 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.050 INCHES MINIMUM IN |
| Head Height | 0.270 INCHES MAXIMUM IN |
| Fastener Length | 3.440 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | G-4342M,CODE 20U32,FSC-24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Thread Length | 0.940 INCHES MINIMUM AND 1.139 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE,GR8 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1524 OR STEEL COMP 1527 OR STEEL COMP 1536 OR STEEL COMP 1541 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 29549602 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 9441599 | 5/9 Secondary reference General Motors Corp |
| 9441599 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5306-01-217-2909 is a Bolt,machine, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-217-2909 has 1 manufacturer part number on file: 29549602 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 29549602: Extended Washer Thickness: 0.050 INCHES MINIMUM IN; Head Height: 0.270 INCHES MAXIMUM IN; Fastener Length: 3.440 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN; Surface Treatment Document and Classification: G-4342M,CODE 20U32,FSC-24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.