The Spacer,ring, cataloged under National Stock Number 5365-01-078-8802, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Hale Products, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5365-01-078-8802 |
| Primary Part Number | 321-0050-01 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Hale Products, Inc. |
| Status | ACTIVE |
| Outside Diameter | 5.503 INCHES MINIMUM AND 5.505 INCHES MAXIMUM IN |
| Overall Thickness | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | 85 CAST RED, ALLOY 836, CAGE 26840 MFR REF SINGLE MATERIAL RESPONSE |
| Inside Diameter | 4.997 INCHES MINIMUM AND 4.999 INCHES MAXIMUM IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 321-0050-01 PRIMARY | Hale Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 321-0050-00 | 5/9 Secondary reference Hale Products, Inc. |
NSN 5365-01-078-8802 is a Spacer,ring, manufactured by Hale Products, Inc., classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-078-8802 has 1 manufacturer part number on file: 321-0050-01 (Hale Products, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5910-01-106-4403, 5905-01-206-9383. Verify interchangeability with system specifications before substitution.
Key specifications for 321-0050-01: Outside Diameter: 5.503 INCHES MINIMUM AND 5.505 INCHES MAXIMUM IN; Overall Thickness: 0.750 INCHES NOMINAL IN; Material Document and Classification: 85 CAST RED, ALLOY 836, CAGE 26840 MFR REF SINGLE MATERIAL RESPONSE; Inside Diameter: 4.997 INCHES MINIMUM AND 4.999 INCHES MAXIMUM 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.