The Bolt,tee Head, cataloged under National Stock Number 5306-01-474-6185, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-474-6185 |
| Item Name | Bolt,tee Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | ASTMA276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | TEE NO. 5 |
| Thread Direction | RIGHT-HAND |
| Head Length | 2.500 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.250 INCHES NOMINAL 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 |
|---|---|
| 73978-101 | 3/9 Design control — primary reference U.S. Government activity |
| 73978-101 | 5/2 Secondary reference U.S. Government activity |
| 73978-101 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 73978 | D/9 Drawing number reference only U.S. Government activity |
NSN 5306-01-474-6185 is a Bolt,tee Head, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-474-6185: Thread Length: 1.000 INCHES NOMINAL IN; Material Document and Classification: ASTMA276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: TEE NO. 5. 11 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.