The Seal,plain, cataloged under National Stock Number 5330-01-299-7320, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Slce Watermakers. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Slce Watermakers (CAGE F9758); Cat Pumps (uk) Ltd (CAGE U3374) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-299-7320 |
| Primary Part Number | 711033-051 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Slce Watermakers |
| 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 |
|---|---|
| 711033-051 | Slce Watermakers (FRA) |
| 43340 | Cat Pumps (uk) Ltd (GBR) |
| 277 ITEM 4 | Cat Pumps (uk) Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 43340 | C/1 Advisory reference — outside the item-of-supply concept Bourns Inc |
| 277 ITEM 4 | C/1 Advisory reference — outside the item-of-supply concept Bourns Inc |
| 277 ITEM 4 | 5/9 Secondary reference Cat Pumps Corp |
| 43340 | 3/9 Design control — primary reference Cat Pumps Corp |
NSN 5330-01-299-7320 is a Seal,plain, manufactured by Slce Watermakers, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-299-7320 has 3 manufacturer part numbers on file: 711033-051 (Slce Watermakers), 43340 (Cat Pumps (uk) Ltd), 277 ITEM 4 (Cat Pumps (uk) Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-499-8470, 6240-01-608-2165. 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.