The Spacer,ring, cataloged under National Stock Number 5365-01-021-4105, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-021-4105 |
| Primary Part Number | 5979-44 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Outside Diameter | 1.108 INCHES MINIMUM AND 1.112 INCHES MAXIMUM IN |
| Overall Thickness | 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5059,1/2H MIL SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 0.888 INCHES MINIMUM AND 0.892 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5979-44 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| 5979-44 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5365-01-021-4105 is a Spacer,ring, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-021-4105 has 1 manufacturer part number on file: 5979-44 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 5979-44: Outside Diameter: 1.108 INCHES MINIMUM AND 1.112 INCHES MAXIMUM IN; Overall Thickness: 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5059,1/2H MIL SPEC SINGLE MATERIAL RESPONSE; Inside Diameter: 0.888 INCHES MINIMUM AND 0.892 INCHES MAXIMUM IN. 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.