The Packing,preformed, cataloged under National Stock Number 5330-01-521-6936, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hunt Valve Company, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-521-6936 |
| Primary Part Number | 5021-3-15 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
|---|---|
| 5021-3-15 PRIMARY | Hunt Valve Company, Inc. (USA) |
| 5021-3 PT NO 15 | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5021-3 PT NO 15 | 5/9 Secondary reference Pima Valve, Llc |
| 5021-3-15 | 3/9 Design control — primary reference Pima Valve, Llc |
NSN 5330-01-521-6936 is a Packing,preformed, manufactured by Hunt Valve Company, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-521-6936 has 2 manufacturer part numbers on file: 5021-3-15 (Hunt Valve Company, Inc.), 5021-3 PT NO 15 (Hunt Valve Company, Inc.).
Key specifications for 5021-3-15: Special Features: SYNTHIC POLYTETRAFLUOROETHYLENE; Part Name Assigned by Controlling Agency: STEM PACKING; End Item Identification: 2 IN,150 LBS, BRONZE FLANGED,SCUPPER VALVE,WITH 150LB COMMERCIAL DRILLING LBS; Material: PLASTIC POLYTETRAFLUOROETHYLENE 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.