The Bolt,tee Head, cataloged under National Stock Number 5306-00-027-0809, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-027-0809 |
| Primary Part Number | 18289-75-400 |
| Item Name | Bolt,tee Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Head Inside Diameter | 0.250 INCHES NOMINAL IN |
| Fastener Length | 3.812 INCHES NOMINAL IN |
| Tee Bolt Cylindrical Head Diameter | 0.385 INCHES NOMINAL IN |
| Thread Length | 3.340 INCHES MINIMUM IN |
| Material Document and Classification | MIL-S-18732 CONDITION A CL HT175 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 3/4 HARD MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | TEE NO. 4 |
| Thread Direction | RIGHT-HAND |
| Head Length | 0.747 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 431 OR STEEL COMP 301 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 |
| Part Number | Manufacturer |
|---|---|
| 18289-75-400 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 18289-75-400 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-027-0809 is a Bolt,tee Head, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-027-0809 has 1 manufacturer part number on file: 18289-75-400 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 18289-75-400: Head Inside Diameter: 0.250 INCHES NOMINAL IN; Fastener Length: 3.812 INCHES NOMINAL IN; Tee Bolt Cylindrical Head Diameter: 0.385 INCHES NOMINAL IN; Thread Length: 3.340 INCHES MINIMUM IN. 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.