The Bolt,machine, cataloged under National Stock Number 5306-01-138-5485, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-138-5485 |
| 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 | 0.090 INCHES MINIMUM AND 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM0.100 INCHES MAXIMUM IN |
| Head Height | 0.412 INCHES MINIMUM AND 0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM0.432 INCHES MAXIMUM IN |
| Fastener Length | 1.365 INCHES MINIMUM AND 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM1.385 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.552 INCHES MINIMUM AND 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM0.572 INCHES MAXIMUM IN |
| Thread Length | 0.990 INCHES MINIMUM AND 0.990 INCHES MINIMUM AND 1.070 INCHES MAXIMUM1.070 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 |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLEDOUBLE HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES0.375 INCHES IN |
| Features Provided | FINISHED HEADFINISHED HEAD |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Grip Length | 0.315 INCHES MINIMUM AND 0.315 INCHES MINIMUM AND 0.375 INCHES MAXIMUM0.375 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM0.439 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.3420 TO 0.3449 INCHES+0.3420 TO 0.3449 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 | 2424 |
| Material | IRON ALLOY 660 OVERALL |
| Hole Quantity | 44 |
| Thread Series Designator | UNSUNS |
| Hole Type | DRILLEDDRILLED |
| Hole Diameter | 0.060 INCHES MINIMUM AND 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM0.080 INCHES MAXIMUM IN |
| 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 |
|---|---|
| MS9063-16 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-138-5485 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-138-5485: 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: 0.090 INCHES MINIMUM AND 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM0.100 INCHES MAXIMUM IN. 25 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.