NSN 4820-00-403-6783 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-403-6783. Manufacturer of record part number: 31011-2.
Also searched as4820-00-403-6783 ·
4820004036783 ·
NIIN 004036783 ·
00-403-6783 ·
FSC 4820 Valves, Nonpowered · CAGE 07797 · 31011-2
Operating Pressure: 10.0 POUNDS PER SQUARE INCH (PSI) NOMINAL POWER DRIVE LBS
Nominal Outside Diameter: 3.010 INCHES FIRST END IN
Face to Face Distance: 10.500 INCHES IN
Identification
NSN: 4820-00-403-6783
NIIN: 004036783
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 31011-2
Manufacturer: Rocker Solenoid Co Dba Rocker Solenoid Co
General Description
The Valve,butterfly, cataloged under National Stock Number 4820-00-403-6783, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rocker Solenoid Co Dba Rocker Solenoid Co. Government technical data includes 8 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. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-403-6783
Primary Part Number
31011-2
Item Name
Valve,butterfly
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Rocker Solenoid Co Dba Rocker Solenoid Co
Status
ACTIVE
Flange Shape
ROUND FIRST END
Flange Face Design
RECESSED STRAIGHT FIRST END
Connection Type
FLANGE FIRST END
Style Designator
STRAIGHT THRU FLANGED ENDS
Operating Pressure
10.0 POUNDS PER SQUARE INCH (PSI) NOMINAL POWER DRIVE LBS
Nominal Outside Diameter
3.010 INCHES FIRST END IN
Face to Face Distance
10.500 INCHES IN
Valve Operation Method
AIR
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5930-00-722-24773103-0001POSSIBLE MATCH
SWITCH,THERMOSTATIC
Possible match (shared part number)Keysight Technologies Inc
5945-01-020-2371310112POSSIBLE MATCH
RELAY,ELECTROMAGNETIC
Possible match (shared part number)Astronics Test Systems Inc
2530-01-247-845241T-D3POSSIBLE MATCH
VALVE,AIR
Possible match (shared part number)Humphrey Products Co
4720-01-322-212331-0112POSSIBLE MATCH
HOSE,NONMETALLIC
Possible match (shared part number)Sea-Tech Systems, Inc. Dba Sea Tech Systems
5330-01-359-67233-1011-2POSSIBLE MATCH
GASKET
Possible match (shared part number)Spira Manufacturing Corporation Dba Spira Manufacturing Corp
NSN 4820-00-403-6783 is a Valve,butterfly, manufactured by Rocker Solenoid Co Dba Rocker Solenoid Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-403-6783?
NSN 4820-00-403-6783 has 1 manufacturer part number on file: 31011-2 (Rocker Solenoid Co Dba Rocker Solenoid Co).
What NSN replaces 4820-00-403-6783?
5 possible matches (shared part number, not a government interchangeability claim): 5930-00-722-2477, 5945-01-020-2371, 2530-01-247-8452. Verify interchangeability with system specifications before substitution.
What are the specifications of 31011-2?
Key specifications for 31011-2: Flange Shape: ROUND FIRST END; Flange Face Design: RECESSED STRAIGHT FIRST END; Connection Type: FLANGE FIRST END; Style Designator: STRAIGHT THRU FLANGED ENDS. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-403-6783 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.
What is the DEMIL code for NSN 4820-00-403-6783?
NSN 4820-00-403-6783 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.