The Screen,valve,pressure Equalizing, cataloged under National Stock Number 4820-01-085-9665, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Stratotech Llc. Government technical data includes 1 specification, 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. 2 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 | 4820-01-085-9665 |
| Primary Part Number | 407-40 |
| Item Name | Screen,valve,pressure Equalizing |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Stratotech Llc |
| Status | ACTIVE |
| General Characteristics Item Description | 5.0 IN. MIN OUTSIDE DIAMETER; SCREEN MUST BE REMOVABLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 407-40 PRIMARY | Stratotech Llc (USA) |
NSN 4820-01-085-9665 is a Screen,valve,pressure Equalizing, manufactured by Stratotech Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-085-9665 has 1 manufacturer part number on file: 407-40 (Stratotech Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6220-01-356-1056, 5340-01-458-6446. Verify interchangeability with system specifications before substitution.
Key specifications for 407-40: General Characteristics Item Description: 5.0 IN. MIN OUTSIDE DIAMETER; SCREEN MUST BE REMOVABLE IN; End Item Identification: 3142003-021. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.