The Seal Ring,metal, cataloged under National Stock Number 5330-00-709-1820, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-709-1820 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| FSC Application Data | TRANSMISSION POWER SHIFT ASSMEBLY,SCOOP TYPELOADER |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 7.380 INCHES MINIMUM AND 7.381 INCHES MAXIMUM IN |
| Joint Style | INTERLOCKING JOINT |
| Radial Wall Thickness | 0.1900 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Material | IRON OVERALL |
| Metallic Hardness Rating | 98.0 MINIMUM ROCKWELL B AND 106.0 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 |
| Reference | Meaning |
|---|---|
| 220185 | 3/2 Design control — primary reference U.S. Government activity |
| 220185 | 5/9 Secondary reference Clark Equipment Co |
| 2220185 | 5/9 Secondary reference Genemat (ste Gle De Materiels D'entreprises) Sa |
| 90309 | 5/9 Secondary reference Muskegon Piston Ring Co Muskegon Products Div |
NSN 5330-00-709-1820 is a Seal Ring,metal, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-709-1820: FSC Application Data: TRANSMISSION POWER SHIFT ASSMEBLY,SCOOP TYPELOADER; Overall Width: 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Outside Diameter: 7.380 INCHES MINIMUM AND 7.381 INCHES MAXIMUM IN. 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.