The Seal Ring,metal, cataloged under National Stock Number 5330-00-600-3418, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 9 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 | 5330-00-600-3418 |
| Primary Part Number | 66374Y30 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| FSC Application Data | ENGINE,AIRCRAFT,RECIPROCATING |
| Material Document and Classification | AMS 6450 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 3.203 INCHES NOMINAL IN |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.1170 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Material | STEEL OVERALL |
| Metallic Hardness Rating | 85.0 MINIMUM ROCKWELL B AND 92.0 MAXIMUM ROCKWELL B |
| 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 |
|---|---|
| 66374Y30 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 5330-00-600-3418 is a Seal Ring,metal, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-600-3418 has 1 manufacturer part number on file: 66374Y30 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 66374Y30: FSC Application Data: ENGINE,AIRCRAFT,RECIPROCATING; Overall Width: 0.0820 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN; Material Document and Classification: AMS 6450 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE. 9 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.