The Spacer,ring, cataloged under National Stock Number 5365-01-103-4331, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Cef Industries Inc Environ Div. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-103-4331 |
| Primary Part Number | 8223-13-20 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Cef Industries Inc Environ Div |
| Status | ACTIVE |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5059,HARD MIL SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 |
| 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 |
|---|---|
| 8223-13-20 PRIMARY | Cef Industries Inc Environ Div (USA) |
| Reference | Meaning |
|---|---|
| 8223-13-20 | 5/9 Secondary reference Cef Industries, Llc Dba Cef Industries Inc |
NSN 5365-01-103-4331 is a Spacer,ring, manufactured by Cef Industries Inc Environ Div, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-103-4331 has 1 manufacturer part number on file: 8223-13-20 (Cef Industries Inc Environ Div).
Key specifications for 8223-13-20: Outside Diameter: 0.250 INCHES NOMINAL IN; Material Document and Classification: MIL-S-5059,HARD MIL SPEC SINGLE MATERIAL RESPONSE; Inside Diameter: 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN; Material: STEEL COMP 302. 4 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.