The Bushing,machine Thread, cataloged under National Stock Number 5365-00-720-0180, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-720-0180 |
| Primary Part Number | S6165-61598 |
| Item Name | Bushing,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Hole Inside Diameter | 0.376 INCHES NOMINAL IN |
| Countersink Angle in Deg | 45.0 LOCATION NOT OTHERWISE SPECIFIED |
| FSC Application Data | SERVO VALVE ASSEMBLY,AUTO-PILOT SYSTEM,ACFT |
| Width Across Flats | 0.559 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN |
| Screw Thread Length | 0.718 INCHES NOMINAL IN |
| Countersink Depth | 0.031 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Features Provided | COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Wrenching Facility Shape | HEXAGON |
| Surface Treatment | ANODIZE |
| Thread Quantity Per Inch | 16 |
| Material | ALUMINUM ALLOY |
| Thread Series Designator | UNF |
| Thickness | 0.250 INCHES NOMINAL IN |
| Countersink Location | THREADED END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| S6165-61598-000 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| S6165-61598 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5365-00-720-0180 is a Bushing,machine Thread, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-720-0180 has 2 manufacturer part numbers on file: S6165-61598-000 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), S6165-61598 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6165-61598: Hole Inside Diameter: 0.376 INCHES NOMINAL IN; Countersink Angle in Deg: 45.0 LOCATION NOT OTHERWISE SPECIFIED; FSC Application Data: SERVO VALVE ASSEMBLY,AUTO-PILOT SYSTEM,ACFT; Width Across Flats: 0.559 INCHES MINIMUM AND 0.565 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.