The Bolt,tee Head, cataloged under National Stock Number 5306-00-005-8540, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-005-8540 |
| Item Name | Bolt,tee Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Head Height | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Fastener Length | 0.720 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN |
| Distance From Centerline to Flat | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Thread Length | 0.255 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN |
| Hardness Rating | 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | STEEL,CHROMIUM-MOLYBDENUM-VANADIUM ALLOY ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DEE |
| Thread Direction | RIGHT-HAND |
| Nonstandard Thread Pitch Diameter | +0.1644 TO 0.1667 INCHES IN |
| Surface Treatment | NICKEL HEAD |
| Surface Treatment | NICKEL THREADS |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNS |
| Head Diameter | 0.320 INCHES MINIMUM AND 0.330 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 |
|---|---|
| 3013T23P04 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-005-8540 is a Bolt,tee Head, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-005-8540: Surface Finish: 125.0 MICROINCHES OVERALL; Head Height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Fastener Length: 0.720 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN; Distance From Centerline to Flat: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. 17 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.