The Ring,wiper, cataloged under National Stock Number 5330-00-491-4050, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace. 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-491-4050 |
| Primary Part Number | MC10022 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace |
| Status | ACTIVE |
| Outer Edge Thickness | 0.100 INCHES NOMINAL IN |
| Outside Diameter | 0.630 INCHES NOMINAL IN |
| Joint Style | DIAGONAL JOINT |
| Inside Diameter | 0.370 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MC10022 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace (USA) |
NSN 5330-00-491-4050 is a Ring,wiper, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-491-4050 has 1 manufacturer part number on file: MC10022 (Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace).
1 possible match (shared part number, not a government interchangeability claim): 5805-00-909-6733. Verify interchangeability with system specifications before substitution.
Key specifications for MC10022: Outer Edge Thickness: 0.100 INCHES NOMINAL IN; Outside Diameter: 0.630 INCHES NOMINAL IN; Joint Style: DIAGONAL JOINT; Inside Diameter: 0.370 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.