The Seal Ring,metal, cataloged under National Stock Number 5330-01-472-6718, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-472-6718 |
| Primary Part Number | 226708P20 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Cross-Sectional Shape Style | STRAIGHT FACE, BOTTOM RELIEF |
| Outside Diameter | 6.399 INCHES NOMINAL IN |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.1800 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Surface Treatment | CHROMIUM OVERALL |
| Material | IRON OVERALL |
| Metallic Hardness Rating | 97.0 MINIMUM ROCKWELL C AND 104.0 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 | X |
| Part Number | Manufacturer |
|---|---|
| 226708P20 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 226708P20 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
NSN 5330-01-472-6718 is a Seal Ring,metal, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-472-6718 has 1 manufacturer part number on file: 226708P20 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 226708P20: Overall Width: 0.1325 INCHES MINIMUM AND 0.1340 INCHES MAXIMUM IN; Cross-Sectional Shape Style: STRAIGHT FACE, BOTTOM RELIEF; Outside Diameter: 6.399 INCHES NOMINAL IN; Joint Style: VERTICAL 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 5330-01-472-6718 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.