PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10243Valve,regulating,fluid Pressure

Fairchild Industrial Products Company · NSN 4820-00-780-9793 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-780-9793 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-780-9793. Primary manufacturer part number: 10243.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Body Style: STRAIGHT THRU
  • Thread Size and Series/type Designator: 3/8-18 NPT FIRST END
  • Media for Which Designed: AIR
  • First End Connection Type: THREADED INTERNAL PIPE
  • Outlet Pressure Accuracy Rating: ERR-060
  • Valve Loading Method: SPRING
  • Material: STEEL CORROSION RESISTING SEAT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-780-9793, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Fairchild Industrial Products Company. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-780-9793
Primary Part Number10243
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFairchild Industrial Products Company
StatusCANCELLED
Body StyleSTRAIGHT THRU
Thread Size and Series/type Designator3/8-18 NPT FIRST END
Media for Which DesignedAIR
First End Connection TypeTHREADED INTERNAL PIPE
Outlet Pressure Accuracy RatingERR-060
Valve Loading MethodSPRING
MaterialSTEEL CORROSION RESISTING SEAT
First End Thread DirectionRIGHT-HAND
Regulation TypeMANUAL SINGLE STAGE
Outlet Pressure Range0.0 TO 60.0 CAMERA MOUNT
Maximum Inlet Pressure RatingERR-060
Second End Relationship with First EndIDENTICAL
End Connection Quantity2
Valve Stem DesignSINGLE SEAT
Renewable Seat Ring TypePRESSED-IN
Criticality Code JustificationFEAT
FilterINCLUDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1650-00-012-341710243 INTERCHANGEABLE
Parts Kit,valve,overhaul
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
2810-00-048-716110143 INTERCHANGEABLE
Cover
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3110-00-100-31004553 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Federal-Mogul Corp Government Sales Dept
3820-00-290-4278 INTERCHANGEABLE
Moil Point,paving Breaker
4820-00-305-224110143 INTERCHANGEABLE
Valve,pneumatic Tank
Tactair Fluid Controls Inc
5985-00-357-07371014-3 INTERCHANGEABLE
Attenuator,fixed
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5999-00-435-9898 INTERCHANGEABLE
Mounting Pad,electrical-Electron
5962-00-454-645548P233245 INTERCHANGEABLE
Microcircuit,digital
Herley Chicago Dba Stewart Warner Electronics
5945-00-552-3449 INTERCHANGEABLE
Relay,electromagnetic
5940-00-717-2907 INTERCHANGEABLE
Terminal,feedthru
Cross-Reference Index
Part NumberManufacturer
10143 Fairchild Industrial Products Company (USA)
10243 PRIMARY Fairchild Industrial Products Company (USA)
3255647 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
1650-00-012-3417INTERCHANGEABLE
PARTS KIT,VALVE,OVERHAUL
10243
2810-00-048-7161INTERCHANGEABLE
COVER
10143
3110-00-100-3100INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
4553
3820-00-290-4278INTERCHANGEABLE
MOIL POINT,PAVING BREAKER
4820-00-305-2241INTERCHANGEABLE
VALVE,PNEUMATIC TANK
10143
5985-00-357-0737INTERCHANGEABLE
ATTENUATOR,FIXED
1014-3
5999-00-435-9898INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5962-00-454-6455INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
48P233245
5945-00-552-3449INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5940-00-717-2907INTERCHANGEABLE
TERMINAL,FEEDTHRU
5136-00-729-5694INTERCHANGEABLE
TAP,THREAD CUTTING
6610-00-758-8945INTERCHANGEABLE
SPRING,ARM,TENSION

Frequently Asked Questions

What is NSN 4820-00-780-9793?

NSN 4820-00-780-9793 is a Valve,regulating,fluid Pressure, manufactured by Fairchild Industrial Products Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-780-9793?

NSN 4820-00-780-9793 has 3 cross-referenced part numbers: 10143 (Fairchild Industrial Products Company), 10243 (Fairchild Industrial Products Company), 3255647 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 4820-00-780-9793?

There are 12 known substitutes for 4820-00-780-9793: 1650-00-012-3417, 2810-00-048-7161, 3110-00-100-3100 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10243?

Key specifications for 10243: Body Style: STRAIGHT THRU; Thread Size and Series/type Designator: 3/8-18 NPT FIRST END; Media for Which Designed: AIR; First End Connection Type: THREADED INTERNAL PIPE. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-780-9793 still in active supply?

NSN 4820-00-780-9793 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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