The Seal Ring,metal, cataloged under National Stock Number 5330-00-273-0620, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-273-0620 |
| Primary Part Number | 25J749PC8 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| FSC Application Data | STEAM TURBINE |
| Material Document and Classification | QQ-I-652,CLASS 30 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 5.250 INCHES NOMINAL IN |
| Joint Style | DIAGONAL JOINT |
| Radial Wall Thickness | 0.1800 INCHES MINIMUM AND 0.2000 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Material | IRON OVERALL |
| 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 |
|---|---|
| 25J749PC8 | Westinghouse Electric Corp (USA) |
| 1389662 | Westinghouse Electric Corp (USA) |
| 26J52PC99 | Westinghouse Electric Corp (USA) |
| 26J81PC42 | Westinghouse Electric Corp (USA) |
| 26J243PC42 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 1389662 | 5/2 Secondary reference U.S. Government activity |
| 26J81PC42 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 26J243PC42 | 5/2 Secondary reference U.S. Government activity |
| 26J243PC42 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 26J52PC99 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 26J81PC42 | 5/2 Secondary reference U.S. Government activity |
| 1389662 | 3/9 Design control — primary reference Westinghouse Electric Corp Control Business Unit |
| 25J749PC8 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
NSN 5330-00-273-0620 is a Seal Ring,metal, manufactured by Westinghouse Electric Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-273-0620 has 5 manufacturer part numbers on file: 25J749PC8 (Westinghouse Electric Corp), 1389662 (Westinghouse Electric Corp), 26J52PC99 (Westinghouse Electric Corp), 26J81PC42 (Westinghouse Electric Corp), 26J243PC42 (Westinghouse Electric Corp).
Key specifications for 25J749PC8: FSC Application Data: STEAM TURBINE; Overall Width: 0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN; Material Document and Classification: QQ-I-652,CLASS 30 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE. 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.
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.