The Bushing,machine Thread, cataloged under National Stock Number 5365-00-528-1504, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-528-1504 |
| Primary Part Number | 163B5708-1 |
| Item Name | Bushing,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Hole Inside Diameter | 0.218 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN |
| Countersink Angle in Deg | 99.0 LOCATION NOT OTHERWISE SPECIFIED |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-P-16232, TYPE M, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-P-16232, TYPE Z, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Screw Thread Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Countersink Depth | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-624, COMP 41L40 FED SPEC SINGLE MATERIAL RESPONSE |
| Features Provided | COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Wrenching Facility Shape | HEXAGON |
| Surface Treatment | PHOSPHATE MANGANESE OR PHOSPHATE ZINC |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4140 |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 163B5708-1 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5365-00-528-1504 is a Bushing,machine Thread, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-528-1504 has 1 manufacturer part number on file: 163B5708-1 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 163B5708-1: Hole Inside Diameter: 0.218 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN; Countersink Angle in Deg: 99.0 LOCATION NOT OTHERWISE SPECIFIED; Width Across Flats: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-P-16232, TYPE M, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-P-16232, TYPE Z, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE. 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.