The Bolt,machine, cataloged under National Stock Number 5306-01-134-5720, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-134-5720 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.109 INCHES MINIMUM AND 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM0.141 INCHES MAXIMUM IN |
| Fastener Length | 0.766 INCHES MINIMUM AND 0.766 INCHES MINIMUM AND 0.812 INCHES MAXIMUM0.812 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.381 INCHES MINIMUM AND 0.381 INCHES MINIMUM AND 0.447 INCHES MAXIMUM0.447 INCHES MAXIMUM IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL32.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.190 INCHES0.190 INCHES IN |
| Features Provided | FINISHED HEADFINISHED HEAD |
| Head Style | HEXAGONHEXAGON |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Grip Length | 0.365 INCHES MINIMUM AND 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM0.385 INCHES MAXIMUM IN |
| Width Between Flats | 0.365 INCHES MINIMUM AND 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM0.377 INCHES MAXIMUM IN |
| Locking Feature | PATCH OR PATCH OR PELLET OR PELLET OR STRIP THREADSSTRIP THREADS |
| Surface Treatment | CADMIUM AND CADMIUM AND CHROMATE OVERALLCHROMATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A3A |
| Thread Quantity Per Inch | 3232 |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL |
| Thread Series Designator | UNFUNF |
| 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 |
|---|---|
| MS21094-3006 | 5/9 Secondary reference U.S. Government activity |
| MS21094-3006 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-134-5720 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-134-5720: Head Height: 0.109 INCHES MINIMUM AND 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM0.141 INCHES MAXIMUM IN; Fastener Length: 0.766 INCHES MINIMUM AND 0.766 INCHES MINIMUM AND 0.812 INCHES MAXIMUM0.812 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.381 INCHES MINIMUM AND 0.381 INCHES MINIMUM AND 0.447 INCHES MAXIMUM0.447 INCHES MAXIMUM IN. 18 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.