The Bolt,tee Head, cataloged under National Stock Number 5306-01-061-1954, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-061-1954 |
| Item Name | Bolt,tee Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Fastener Length | 3.857 INCHES MINIMUM AND 3.891 INCHES MAXIMUM IN |
| Tee Bolt Cylindrical Head Diameter | 0.248 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN |
| Thread Length | 2.909 INCHES MINIMUM AND 2.967 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | TEE NO. 5 |
| Thread Direction | RIGHT-HAND |
| Head Length | 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| BACB30CL400 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-061-1954 is a Bolt,tee Head, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-061-1954: Fastener Length: 3.857 INCHES MINIMUM AND 3.891 INCHES MAXIMUM IN; Tee Bolt Cylindrical Head Diameter: 0.248 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN; Thread Length: 2.909 INCHES MINIMUM AND 2.967 INCHES MAXIMUM IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL. 14 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.