The Spacer,ring, cataloged under National Stock Number 5365-01-381-2229, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-381-2229 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Outside Diameter | 4.560 INCHES NOMINAL IN |
| Overall Thickness | 0.030 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 |
| Reference | Meaning |
|---|---|
| PL-12731F18ITEM257B | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 12687B18B | 3/9 Design control — primary reference U.S. Government activity |
| PL-12731F18ITEM257B | 5/9 Secondary reference U.S. Government activity |
| 12687B18B | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 12687B18 | 5/9 Secondary reference U.S. Government activity |
NSN 5365-01-381-2229 is a Spacer,ring, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-381-3066. Verify interchangeability with system specifications before substitution.
Key specifications for 5365-01-381-2229: Outside Diameter: 4.560 INCHES NOMINAL IN; Overall Thickness: 0.030 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.