The Retainer,packing, cataloged under National Stock Number 5330-01-266-3963, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is W & O Supply Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Retainer,packing |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | W & O Supply Inc (CAGE 1QP40) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-266-3963 |
| Primary Part Number | E0200-0001 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | W & O Supply Inc |
| 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 |
|---|---|
| E0200-0001 | W & O Supply Inc (USA) |
| Reference | Meaning |
|---|---|
| E0010-0003 | 5/9 Secondary reference Mcc Holdings, Inc. Dba Crane Valve North America Use CAGE Code 59309 for Cataloging |
| E0100-M100 | 3/9 Design control — primary reference Mcc Holdings, Inc. Dba Crane Valve North America Use CAGE Code 59309 for Cataloging |
| E0200-0001 | 5/9 Secondary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
| E0010 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| E0010-0001 | 5/9 Secondary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
NSN 5330-01-266-3963 is a Retainer,packing, manufactured by W & O Supply Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-266-3963 has 1 manufacturer part number on file: E0200-0001 (W & O Supply Inc).
1 possible match (shared part number, not a government interchangeability claim): 6520-01-543-1797. 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.