The Spacer,ring, cataloged under National Stock Number 5365-01-381-1685, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5365-01-381-1685 |
| Primary Part Number | 403D257CX9 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Outside Diameter | 4.560 INCHES NOMINAL IN |
| Overall Thickness | 0.020 INCHES NOMINAL IN |
| Material Document and Classification | MIL-T-9046 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 4.030 INCHES NOMINAL IN |
| Material | TITANIUM |
| 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 |
|---|---|
| 403D257CX9 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 403D257CX9 | 5/9 Secondary reference U.S. Government activity |
| PL-12731F18ITEM257A | 5/9 Secondary reference U.S. Government activity |
| 12686B18 | 5/9 Secondary reference U.S. Government activity |
NSN 5365-01-381-1685 is a Spacer,ring, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-381-1685 has 1 manufacturer part number on file: 403D257CX9 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 403D257CX9: Outside Diameter: 4.560 INCHES NOMINAL IN; Overall Thickness: 0.020 INCHES NOMINAL IN; Material Document and Classification: MIL-T-9046 MIL SPEC SINGLE MATERIAL RESPONSE; Inside Diameter: 4.030 INCHES NOMINAL IN. 5 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.