The Seal,plain Encased, cataloged under National Stock Number 5330-01-642-3066, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-642-3066 |
| Primary Part Number | 4404066-1 ITEM NO. 16 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT |
| Material | STEEL COMP 316 RETAINER |
| 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 |
|---|---|
| 4404066-1 ITEM NO. 16 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 4404066-1 | D/9 Drawing number reference only Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
NSN 5330-01-642-3066 is a Seal,plain Encased, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-642-3066 has 1 manufacturer part number on file: 4404066-1 ITEM NO. 16 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
3 possible matches (shared part number, not a government interchangeability claim): 4810-01-642-3783, 4810-01-642-3794, 3110-01-642-3804. Verify interchangeability with system specifications before substitution.
Key specifications for 4404066-1 ITEM NO. 16: End Item Identification: VALVE, FLOW C; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT; Material: STEEL COMP 316 RETAINER. 2 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.