The Bolt,tee Head, cataloged under National Stock Number 5306-01-317-7394, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-317-7394 |
| Primary Part Number | 146C779H01 |
| Item Name | Bolt,tee Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Fastener Length | 1.495 INCHES NOMINAL IN |
| Tee Bolt Cylindrical Head Diameter | 0.310 INCHES NOMINAL IN |
| Thread Length | 0.810 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.092 INCHES MINIMUM AND 0.097 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | TEE NO. 5 |
| Thread Direction | RIGHT-HAND |
| Head Length | 1.250 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.375 INCHES NOMINAL FIRST HOLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 146C779H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 146C779H01 | 5/9 Secondary reference Ace G & M of Texas Inc. Dba Ace G & M of Texas |
| 146C779H01 | 3/9 Design control — primary reference U.S. Government activity |
| 146C779H01 | 5/1 Secondary reference Kt Acquisition Llc Dba Kom Tek Technologies |
NSN 5306-01-317-7394 is a Bolt,tee Head, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-317-7394 has 1 manufacturer part number on file: 146C779H01 (Northrop Grumman Support Services Corp).
Key specifications for 146C779H01: Fastener Length: 1.495 INCHES NOMINAL IN; Tee Bolt Cylindrical Head Diameter: 0.310 INCHES NOMINAL IN; Thread Length: 0.810 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.092 INCHES MINIMUM AND 0.097 INCHES MAXIMUM FIRST HOLE IN. 13 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.