The Seal Ring,metal, cataloged under National Stock Number 5330-01-104-8877, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Dressta North America Ltd. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-104-8877 |
| Primary Part Number | 70786 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 3.500 INCHES NOMINAL IN |
| Joint Style | INTERLOCKING JOINT |
| Radial Wall Thickness | 0.1500 INCHES NOMINAL IN |
| Ring Style | EXPANDING CONCENTRIC |
| Surface Treatment | GRAPHITE OVERALL |
| 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 |
|---|---|
| 70786 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| D-70786 | 5/9 Secondary reference Komatsu America Corporation |
| 70786 | 5/9 Secondary reference Komatsu America Corporation |
NSN 5330-01-104-8877 is a Seal Ring,metal, manufactured by Dressta North America Ltd, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-104-8877 has 1 manufacturer part number on file: 70786 (Dressta North America Ltd).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-388-4553. Verify interchangeability with system specifications before substitution.
Key specifications for 70786: Overall Width: 0.0937 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Outside Diameter: 3.500 INCHES NOMINAL IN; Joint Style: INTERLOCKING JOINT. 7 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.