The Bushing,machine Thread, cataloged under National Stock Number 5365-01-309-7264, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-309-7264 |
| Primary Part Number | TR20157 |
| Item Name | Bushing,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Hole Inside Diameter | 0.251 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN |
| Countersink Angle in Deg | 45.0 LOCATION NOT OTHERWISE SPECIFIED |
| Surface Treatment Document and Classification | QQ-P-35, TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE |
| Screw Thread Length | 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Countersink Depth | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Material Document and Classification | AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE |
| Features Provided | COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.437 INCHES IN |
| Surface Treatment | PASSIVATE |
| Thread Quantity Per Inch | 14 |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Countersink Location | WRENCHING END |
| 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 |
|---|---|
| TR20157 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 7136458-1 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 7136458-1 | 5/9 Secondary reference Litton Systems Inc Guidance and Control Systems Div |
NSN 5365-01-309-7264 is a Bushing,machine Thread, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-309-7264 has 2 manufacturer part numbers on file: TR20157 (Howmet Global Fastening Systems Inc. Div Tridair Products), 7136458-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for TR20157: Hole Inside Diameter: 0.251 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN; Countersink Angle in Deg: 45.0 LOCATION NOT OTHERWISE SPECIFIED; Surface Treatment Document and Classification: QQ-P-35, TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE; Screw Thread Length: 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM 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.