The Seal Ring,metal, cataloged under National Stock Number 5330-00-405-6404, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-405-6404 |
| Primary Part Number | 26829300 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| FSC Application Data | VALVE,AIR CONDITIONING SYSTEM |
| Material Document and Classification | QQ-N-288 COMP D FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 1.175 INCHES MINIMUM AND 1.176 INCHES MAXIMUM IN |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.0860 INCHES MINIMUM AND 0.0920 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Material | NICKEL ALLOY OVERALL |
| Metallic Hardness Rating | 300.0 MINIMUM BRINELL STANDARD |
| 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 |
|---|---|
| 26829300 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 26829300 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-405-6404 is a Seal Ring,metal, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-405-6404 has 1 manufacturer part number on file: 26829300 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 26829300: FSC Application Data: VALVE,AIR CONDITIONING SYSTEM; Overall Width: 0.0380 INCHES MINIMUM AND 0.0390 INCHES MAXIMUM IN; Material Document and Classification: QQ-N-288 COMP D FED SPEC 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.