Valve, Butterfly4820-01-539-6965

NSN 4820-01-539-6965 · NIIN 015396965 · Part number FS402056G7PTHNN/FS6LL-20

Proconex Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0EW18

Government record, cited

NSN 4820-01-539-6965 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-539-6965. Manufacturer of record part number: FS402056G7PTHNN/FS6LL-20.

Also searched as 4820-01-539-6965 · 4820015396965 · NIIN 015396965 · 01-539-6965 · FSC 4820 Valves, Nonpowered · CAGE 0EW18 · FS402056G7PTHNN/FS6LL-20

Nearby stock numbers ← 4820-01-539-6881 Valve, Globe · 4820-01-539-7202 Valve, Butterfly →

4820-01-539-6965 — Valves, Nonpowered

Features

Valve,butterfly — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Proconex Inc

Identification

NSN: 4820-01-539-6965
NIIN: 015396965
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: FS402056G7PTHNN/FS6LL-20
Manufacturer: Proconex Inc

General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-539-6965, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Proconex Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-539-6965
Primary Part Number	FS402056G7PTHNN/FS6LL-20
Item Name	Valve,butterfly
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Proconex Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
FS402056G7PTHNN/FS6LL-20 PRIMARY	Proconex Inc (USA)

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-539-6965?

NSN 4820-01-539-6965 is a Valve,butterfly, manufactured by Proconex Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-539-6965?

NSN 4820-01-539-6965 has 1 manufacturer part number on file: FS402056G7PTHNN/FS6LL-20 (Proconex Inc).

What are the specifications of FS402056G7PTHNN/FS6LL-20?

Key specifications for FS402056G7PTHNN/FS6LL-20: Special Features: FFG CLASS SHIPS; AIR SUPPLY PIPING; MASKER SYSTEM; End Item Identification: VALVE BUTTERFLY 2.OOIPS 150PSI, CRSBLT SSTL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-539-6965 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

PartsTable Design LLC · partstable.com