PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

131100Valve,regulating,fluid Pressure

Rocker Solenoid Co Dba Rocker Solenoid Co · NSN 4820-00-003-1821 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-003-1821 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-003-1821. Primary manufacturer part number: 131100.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Body Style: STRAIGHT THRU
  • Media for Which Designed: AIR
  • Temp Rating: -65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF
  • Second End Relationship with First End: IDENTICAL
  • First End Style Designator: GASKET SEAL
  • Thread Size and Series/type Designator: 7/16-20 UNF FIRST END
  • Supplementary Features: APPL TO F-5 ACFT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-003-1821, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rocker Solenoid Co Dba Rocker Solenoid Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-003-1821
Primary Part Number131100
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRocker Solenoid Co Dba Rocker Solenoid Co
StatusACTIVE
Body StyleSTRAIGHT THRU
Media for Which DesignedAIR
Temp Rating-65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF
Second End Relationship with First EndIDENTICAL
First End Style DesignatorGASKET SEAL
Thread Size and Series/type Designator7/16-20 UNF FIRST END
Supplementary FeaturesAPPL TO F-5 ACFT
First End Thread Class3B
End Connection Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-194-9224 INTERCHANGEABLE
Washer,lock
5120-00-403-7282131100 INTERCHANGEABLE
Injector
Cummins Inc.
5910-00-627-4099 INTERCHANGEABLE
Suppressor
1680-00-875-8508 INTERCHANGEABLE
Parts Kit,control,f
5910-01-029-0728 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
4320-01-130-99681R307 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
W.w. Grainger, Inc. Div Government Sales Division
5330-01-133-4387131100 INTERCHANGEABLE
Seal
Flint & Walling, Inc. Dba Star Water Systems
6520-01-153-614013.1100 INTERCHANGEABLE
Wheel,abrasive
Mizzy Inc
3020-01-189-4780131100 INTERCHANGEABLE
Pulley,flat
Astronautics Corporation of America
5930-01-262-7827131100 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
131100 PRIMARY Rocker Solenoid Co Dba Rocker Solenoid Co (USA)
131100 Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA)
Related Parts
5310-00-194-9224INTERCHANGEABLE
WASHER,LOCK
5120-00-403-7282INTERCHANGEABLE
INJECTOR
131100
5910-00-627-4099INTERCHANGEABLE
SUPPRESSOR
1680-00-875-8508INTERCHANGEABLE
PARTS KIT,CONTROL,F
5910-01-029-0728INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
4320-01-130-9968INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
1R307
5330-01-133-4387INTERCHANGEABLE
SEAL
131100
6520-01-153-6140INTERCHANGEABLE
WHEEL,ABRASIVE
13.1100
3020-01-189-4780INTERCHANGEABLE
PULLEY,FLAT
131100
5930-01-262-7827INTERCHANGEABLE
SWITCH,LIQUID LEVEL
131100
6630-01-318-6563INTERCHANGEABLE
VISCOSIMETER,CUP TYPE
4320-01-321-3729INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL

Frequently Asked Questions

What is NSN 4820-00-003-1821?

NSN 4820-00-003-1821 is a Valve,regulating,fluid Pressure, manufactured by Rocker Solenoid Co Dba Rocker Solenoid Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-003-1821?

NSN 4820-00-003-1821 has 2 cross-referenced part numbers: 131100 (Rocker Solenoid Co Dba Rocker Solenoid Co), 131100 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).

What NSN replaces 4820-00-003-1821?

There are 12 known substitutes for 4820-00-003-1821: 5310-00-194-9224, 5120-00-403-7282, 5910-00-627-4099 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 131100?

Key specifications for 131100: Body Style: STRAIGHT THRU; Media for Which Designed: AIR; Temp Rating: -65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF; Second End Relationship with First End: IDENTICAL. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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