The Seal Ring,metal, cataloged under National Stock Number 5330-01-283-0924, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-283-0924 |
| Primary Part Number | 42342P20 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | STEP JOINT |
| Inside Diameter | 1.0000 INCHES NOMINAL IN |
| Radial Wall Thickness | 0.0380 INCHES MINIMUM AND 0.0430 INCHES MAXIMUM IN |
| Ring Style | CONTRACTING CONCENTRIC |
| Material | COPPER ALLOY OVERALL |
| Metallic Hardness Rating | 72.0 MINIMUM ROCKWELL C AND 88.0 MAXIMUM ROCKWELL C |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 42342P20 | Electro-Methods, L.p. (USA) |
| 42342P20 | Beta Engineering, Inc. Dba Beta Engineering Inc (USA) |
| 42342P20 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| 42342P20 | Hanwha Aerospace Usa Llc Div Edac Nd, Inc. (USA) |
| 42342P20 | Numet Acquisition Inc (USA) |
| 42342P20 | Enjet Aero Bloomfield, Llc (USA) |
| 42342P20 | Alamo Aircraft, Ltd. (USA) |
| 42342P20 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 42342P20 | 5/9 Secondary reference Inch Machine Tool Inc |
NSN 5330-01-283-0924 is a Seal Ring,metal, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-283-0924 has 8 manufacturer part numbers on file: 42342P20 (Electro-Methods, L.p.), 42342P20 (Beta Engineering, Inc. Dba Beta Engineering Inc), 42342P20 (Rtx Corporation Div Pratt & Whitney), 42342P20 (Hanwha Aerospace Usa Llc Div Edac Nd, Inc.), 42342P20 (Numet Acquisition Inc) and 3 more.
Key specifications for 42342P20: Criticality Code Justification: FEAT; Overall Width: 0.0775 INCHES MINIMUM AND 0.0785 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: STEP JOINT. 8 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.
NSN 5330-01-283-0924 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.