The Bolt,tee Head, cataloged under National Stock Number 5306-01-346-5618, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-346-5618 |
| Item Name | Bolt,tee Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.750 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN |
| Fastener Length | 1.060 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2433 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.310 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | TEE NO. 2 |
| Thread Direction | RIGHT-HAND |
| Head Length | 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Width Between Flats | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Tee Head Flange Thickness | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 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 |
|---|---|
| 3092421-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-346-5618 is a Bolt,tee Head, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-346-5618: Head Height: 0.750 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN; Fastener Length: 1.060 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2433 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.310 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN. 16 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.