The Spacer,ring, cataloged under National Stock Number 5365-01-166-8121, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-166-8121 |
| Primary Part Number | 1213AS770 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,DYED BLACK MIL SPEC SINGLE TREATMENT RESPONSE |
| Outside Diameter | 1.146 INCHES MINIMUM AND 1.176 INCHES MAXIMUM IN |
| Overall Thickness | 0.063 INCHES NOMINAL IN |
| Inside Diameter | 0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| 1213AS770 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5365-01-166-8121 is a Spacer,ring, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-166-8121 has 1 manufacturer part number on file: 1213AS770 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1213AS770: Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,DYED BLACK MIL SPEC SINGLE TREATMENT RESPONSE; Outside Diameter: 1.146 INCHES MINIMUM AND 1.176 INCHES MAXIMUM IN; Overall Thickness: 0.063 INCHES NOMINAL IN; Inside Diameter: 0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN. 6 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.