The Bolt,tee Head, cataloged under National Stock Number 5306-00-210-2219, 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16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-210-2219 |
| Item Name | Bolt,tee Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Fastener Length | 1.000 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Hardness Rating | 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM HEAD |
| Material Document and Classification | AISI/SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | TEE NO. 3 |
| Thread Direction | RIGHT-HAND |
| Head Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Width Between Flats | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 1137 OR STEEL COMP 1139 OR STEEL COMP 1140 OR STEEL COMP 1141 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 |
|---|---|
| 964478PC1 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5306-00-210-2219 is a Bolt,tee Head, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-210-2219: Head Height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Fastener Length: 1.000 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.615 INCHES MINIMUM AND 0.635 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.