The Seal,plain, cataloged under National Stock Number 5330-01-161-6033, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Cunico Corporation. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Seal,plain |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Cunico Corporation (CAGE 53424) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-161-6033 |
| Primary Part Number | 18-625 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Cunico Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| DD-1531 ITEM 7 | Cunico Corporation (USA) |
| 18-625 PRIMARY | Cunico Corporation (USA) |
| Reference | Meaning |
|---|---|
| DD4531 REF NO 10 | C/1 Advisory reference — outside the item-of-supply concept Cunico Corporation |
| DD-4651 REF NO 10 | C/1 Advisory reference — outside the item-of-supply concept Cunico Corporation |
NSN 5330-01-161-6033 is a Seal,plain, manufactured by Cunico Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-161-6033 has 2 manufacturer part numbers on file: DD-1531 ITEM 7 (Cunico Corporation), 18-625 (Cunico Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-243-5295. Verify interchangeability with system specifications before substitution.
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.