The Bolt,machine, cataloged under National Stock Number 5306-01-135-3527, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-135-3527 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS32.0 MICROINCHES THREADS |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Surface Finish | 63.0 MICROINCHES GRIP63.0 MICROINCHES GRIP |
| Extended Washer Thickness | 0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM0.050 INCHES MAXIMUM IN |
| Head Height | 0.260 INCHES NOMINAL0.260 INCHES NOMINAL IN |
| Fastener Length | 1.052 INCHES MINIMUM AND 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM1.072 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Thread Length | 0.615 INCHES MINIMUM AND 0.615 INCHES MINIMUM AND 0.695 INCHES MAXIMUM0.695 INCHES MAXIMUM IN |
| Hardness Rating | 24.0 ROCKWELL C MINIMUM AND 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL35.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES0.190 INCHES IN |
| Features Provided | FINISHED HEADFINISHED HEAD |
| Head Style | DOUBLE HEXAGON W/HOLEDOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Grip Length | 0.377 INCHES MINIMUM AND 0.377 INCHES MINIMUM AND 0.437 INCHES MAXIMUM0.437 INCHES MAXIMUM IN |
| Width Between Flats | 0.243 INCHES MINIMUM AND 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM0.251 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.1644 TO 0.1667 INCHES+0.1644 TO 0.1667 INCHES IN |
| Minimum Tensile Strength | 130000 POUNDS PER SQUARE INCH130000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 85000 POUNDS PER SQUARE INCH85000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 3232 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNSUNS |
| 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 |
|---|---|
| MS9033-15 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-135-3527 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-135-3527: Surface Finish: 32.0 MICROINCHES THREADS32.0 MICROINCHES THREADS; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD63.0 MICROINCHES BEARING SURFACE OF HEAD; Surface Finish: 63.0 MICROINCHES GRIP63.0 MICROINCHES GRIP; Extended Washer Thickness: 0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM0.050 INCHES MAXIMUM IN. 22 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.