The Spacer,ring, cataloged under National Stock Number 5365-00-779-3371, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Ozark Aeroworks Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-00-779-3371 |
| Primary Part Number | 1-140-256-09 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Ozark Aeroworks Llc |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
| Surface Finish | 63.0 MICROINCHES RIGHT SIDE |
| Surface Finish | 63.0 MICROINCHES LEFT SIDE |
| Surface Finish | 125.0 MICROINCHES BORE |
| FSC Application Data | 1. ENGINE,ACFT,TURBO-PROP |
| Outside Diameter | 2.340 INCHES NOMINAL IN |
| Overall Thickness | 0.081 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 6371 ASSN STD SINGLE MATERIAL RESPONSE |
| Inside Diameter | 2.167 INCHES MINIMUM AND 2.168 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE |
| Material | STEEL COMP 4130 |
| 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 |
|---|---|
| 1-140-256-09 PRIMARY | Ozark Aeroworks Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-140-256-09 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5365-00-779-3371 is a Spacer,ring, manufactured by Ozark Aeroworks Llc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-779-3371 has 1 manufacturer part number on file: 1-140-256-09 (Ozark Aeroworks Llc).
Key specifications for 1-140-256-09: Surface Finish: 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER; Surface Finish: 63.0 MICROINCHES RIGHT SIDE; Surface Finish: 63.0 MICROINCHES LEFT SIDE; Surface Finish: 125.0 MICROINCHES BORE. 11 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.