Valve, Butterfly4820-01-255-9536

NSN 4820-01-255-9536 · NIIN 012559536

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-255-9536 · 4820012559536 · NIIN 012559536 · 01-255-9536 · FSC 4820 Valves, Nonpowered · MIL-V-24624 · GENERIC HEAD,DO NOT ORDER

Nearby stock numbers ← 4820-01-255-9535 · 4820-01-255-9538 →

4820-01-255-9536 — Valves, Nonpowered

Features

Valve,butterfly — FSC 4820
Criticality Code Justification: FEAT
Operating Pressure: 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 2.500 INCHES IN
Departure From Cited Document: WITH GEAR OPERATOR
Nondefinitive Spec/std Data: 3 TYPE OR A STYLE

Identification

NSN: 4820-01-255-9536
NIIN: 012559536
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-255-9536, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-255-9536
Item Name	Valve,butterfly
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Criticality Code Justification	FEAT
Operating Pressure	285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size	2.500 INCHES IN
Departure From Cited Document	WITH GEAR OPERATOR
Nondefinitive Spec/std Data	3 TYPE OR A STYLE

Lifecycle & Compliance

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

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
MIL-V-24624	4/1 Identification reference U.S. Government activity
GENERIC HEAD,DO NOT ORDER	3/1 Design control — primary reference Northrop Grumman Systems Corporation

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 4820-01-255-9536?

NSN 4820-01-255-9536 is a Valve,butterfly, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-255-9536?

Key specifications for 4820-01-255-9536: Criticality Code Justification: FEAT; Operating Pressure: 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 2.500 INCHES IN; Departure From Cited Document: WITH GEAR OPERATOR. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-255-9536 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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