The Retainer,packing, cataloged under National Stock Number 5330-01-502-7004, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-502-7004 |
| Primary Part Number | 7201-03 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7201-03 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 7200 ITEM 6 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 7201B-03 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-502-7004 is a Retainer,packing, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-502-7004 has 2 manufacturer part numbers on file: 7201-03 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7200 ITEM 6 (Howell Laboratories Inc Dba Howell Laboratories Inc).
1 possible match (shared part number, not a government interchangeability claim): 4240-01-529-8330. Verify interchangeability with system specifications before substitution.
Key specifications for 7201-03: Special Features: IS LONG; End Item Identification: MEMBRANE CARTRIDGE ASSY P/N 7200-G501,450PSI;USED ON MODEL 7053 MEDIUM PRESSURE MEMBRANE DEHYDRATOR,450 PSI; Material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL. 1 specification is 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.