The Ring Seal,casing, cataloged under National Stock Number 5330-00-720-2207, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-720-2207 |
| Primary Part Number | 920J542-180 |
| Item Name | Ring Seal,casing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANED IN ACCORD WITH MIL-C-19874 /SHIPS/ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 920J542-180 | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
| Reference | Meaning |
|---|---|
| 365C622H01 | 3/1 Design control — primary reference Westinghouse Electric Corp |
| 365C622H01 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
NSN 5330-00-720-2207 is a Ring Seal,casing, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-720-2207 has 1 manufacturer part number on file: 920J542-180 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd).
Key specifications for 920J542-180: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANED IN ACCORD WITH MIL-C-19874 /SHIPS/. 2 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.