The Retainer,seal, cataloged under National Stock Number 5330-00-385-7831, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-385-7831 |
| Primary Part Number | 7189820 |
| Item Name | Retainer,seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Flange Thickness | 0.312 INCHES NOMINAL IN |
| Style Designator | FLANGED |
| Bolt Hole Diameter | 0.281 INCHES NOMINAL IN |
| Seal Seat Diameter | 2.685 INCHES MINIMUM AND 2.687 INCHES MAXIMUM IN |
| Aperture Diameter | 2.125 INCHES NOMINAL IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 7.500 INCHES NOMINAL IN |
| Mounting Flange Diameter | 8.125 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Seal Seat Depth | 0.375 INCHES NOMINAL IN |
| Construction | TWO-PIECE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7189820 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5330-00-385-7831 is a Retainer,seal, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-385-7831 has 1 manufacturer part number on file: 7189820 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7189820: Overall Height: 2.750 INCHES NOMINAL IN; Flange Thickness: 0.312 INCHES NOMINAL IN; Style Designator: FLANGED; Bolt Hole Diameter: 0.281 INCHES NOMINAL IN. 11 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.
NSN 5330-00-385-7831 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.