The Bolt,machine, cataloged under National Stock Number 5306-01-174-8741, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-174-8741 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 5.1 MILLIMETERS MINIMUM AND 5.5 MILLIMETERS MAXIMUM MM |
| Fastener Length | 19.60 MILLIMETERS MINIMUM AND 20.40 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 17.1 MILLIMETERS MINIMUM AND 20.4 MILLIMETERS MAXIMUM MM |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 12.7 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM MM |
| Surface Treatment | CADMIUM AND CHROMATE 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 |
| Reference | Meaning |
|---|---|
| B18231A08020N | 3/2 Design control — primary reference U.S. Government activity |
| C91501-1308020 | C/1 Advisory reference — outside the item-of-supply concept Curtis-Toledo, Inc. |
NSN 5306-01-174-8741 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-174-8741: Head Height: 5.1 MILLIMETERS MINIMUM AND 5.5 MILLIMETERS MAXIMUM MM; Fastener Length: 19.60 MILLIMETERS MINIMUM AND 20.40 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Pitch in Millimeters: 1.25. 13 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.