The Packing,preformed, cataloged under National Stock Number 5330-00-338-5305, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is A W Chesterton Co Div Sealing Device Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5330-00-338-5305 |
| Primary Part Number | RV263 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | A W Chesterton Co Div Sealing Device Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-00-338-5305 is a Packing,preformed, manufactured by A W Chesterton Co Div Sealing Device Division, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-338-5305 has 2 manufacturer part numbers on file: 226-006 (Euramco Safety Inc), RV263 (A W Chesterton Co Div Sealing Device Division).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-120-7458. Verify interchangeability with system specifications before substitution.
Key specifications for RV263: Special Features: CROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200. 0 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.