The Spacer,ring, cataloged under National Stock Number 5365-00-221-3136, 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5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-221-3136 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Outside Diameter | 0.531 INCHES NOMINAL IN |
| Overall Thickness | 0.047 INCHES NOMINAL IN |
| Hardness Rating | 25.0 ROCKWELL F NOMINAL |
| Inside Diameter | 0.437 INCHES NOMINAL IN |
| Material | COPPER |
| 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 |
|---|---|
| 47089 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5365-00-221-3136 is a Spacer,ring, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 2915-00-873-8234, 6680-01-113-8013. Verify interchangeability with system specifications before substitution.
Key specifications for 5365-00-221-3136: Outside Diameter: 0.531 INCHES NOMINAL IN; Overall Thickness: 0.047 INCHES NOMINAL IN; Hardness Rating: 25.0 ROCKWELL F NOMINAL; Inside Diameter: 0.437 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.