Gear Operator, Valve4820-01-596-4855

NSN 4820-01-596-4855 · NIIN 015964855 · Part number Z-31526-6

Farrell Equipment & Controls, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1N3C1

Government record, cited

NSN 4820-01-596-4855 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-596-4855. Manufacturer of record part number: Z-31526-6.

Also searched as 4820-01-596-4855 · 4820015964855 · NIIN 015964855 · 01-596-4855 · FSC 4820 Valves, Nonpowered · CAGE 1N3C1 · Z-31526-6

Nearby stock numbers ← 4820-01-596-4831 Seat, Valve · 4820-01-596-4885 Valve, Gate →

4820-01-596-4855 — Valves, Nonpowered

Features

Gear Operator,valve — FSC 4820
Valve Type for Which Designed: BUTTERFLY
Gear Type: WORM
Features Provided: HANDWHEEL AND INDICATOR GAGE
1 manufacturer part number on file
Manufacturer of record: Farrell Equipment & Controls, Inc.

Identification

NSN: 4820-01-596-4855
NIIN: 015964855
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: Z-31526-6
Manufacturer: Farrell Equipment & Controls, Inc.

General Description

The Gear Operator,valve, cataloged under National Stock Number 4820-01-596-4855, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Farrell Equipment & Controls, Inc.. Government technical data includes 3 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-596-4855
Primary Part Number	Z-31526-6
Item Name	Gear Operator,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Farrell Equipment & Controls, Inc.
Status	ACTIVE
Valve Type for Which Designed	BUTTERFLY
Gear Type	WORM
Features Provided	HANDWHEEL AND INDICATOR GAGE

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
Z-31526-6 PRIMARY	Farrell Equipment & Controls, 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 4820-01-596-4855?

NSN 4820-01-596-4855 is a Gear Operator,valve, manufactured by Farrell Equipment & Controls, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-596-4855?

NSN 4820-01-596-4855 has 1 manufacturer part number on file: Z-31526-6 (Farrell Equipment & Controls, Inc.).

What are the specifications of Z-31526-6?

Key specifications for Z-31526-6: Valve Type for Which Designed: BUTTERFLY; Gear Type: WORM; Features Provided: HANDWHEEL AND INDICATOR GAGE; Special Features: 4000 IN LBS TORQUE IN. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-596-4855 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.

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