The Seal Ring,metal, cataloged under National Stock Number 5330-00-562-0122, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-562-0122 |
| Primary Part Number | 6703026 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| FSC Application Data | TORQUE CONVERTER,POWER TRANSMISSION,FULL TRACKED VEHICLE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 2.125 INCHES NOMINAL IN |
| Joint Style | INTERLOCKING JOINT |
| Radial Wall Thickness | 0.0850 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Surface Treatment | TIN OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 6703026 | Rolls-Royce Solutions America Inc (USA) |
| 6703026 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 7709145 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 6703026 | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 6703026 | 5/9 Secondary reference Spalla Inc |
| 6703026 | 5/9 Secondary reference Euclid Inc |
NSN 5330-00-562-0122 is a Seal Ring,metal, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-562-0122 has 4 manufacturer part numbers on file: 6703026 (Rolls-Royce Solutions America Inc), 6703026 (Allison Transmission Inc Dba Allison Transmission, Inc), 7709145 (U S Army Tank Automotive Command Amsta-Im-Mm), 6703026 (General Motors Corp).
Key specifications for 6703026: FSC Application Data: TORQUE CONVERTER,POWER TRANSMISSION,FULL TRACKED VEHICLE; Overall Width: 0.0920 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Outside Diameter: 2.125 INCHES NOMINAL IN. 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.