The Retainer,seal, cataloged under National Stock Number 5330-00-518-7186, 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 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-518-7186 |
| Primary Part Number | 5187186 |
| 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 |
| Aperture Diameter | 2.000 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN |
| Mounting Flange Diameter | 3.125 INCHES MINIMUM AND 3.131 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5187186 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| XX003-8179 | Rdm Technology B.v. (NLD) |
| Reference | Meaning |
|---|---|
| 1025005187186 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5330-00-518-7186 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 5330-00-518-7186 has 2 manufacturer part numbers on file: 5187186 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), XX003-8179 (Rdm Technology B.v.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-197-0519. Verify interchangeability with system specifications before substitution.
Key specifications for 5187186: Overall Height: 0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Aperture Diameter: 2.000 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN; Mounting Flange Diameter: 3.125 INCHES MINIMUM AND 3.131 INCHES MAXIMUM IN. 2 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 5330-00-518-7186 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.