PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1193-1Valve,restrictor Check

Pneudraulics, Inc. · NSN 4820-01-142-3263 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-142-3263 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-142-3263. Primary manufacturer part number: 1193-1.
Features
  • Valve,restrictor Check — FSC 4820
  • Flow Control Device: POPPET
  • Thread Class: 3B ALL ENDS
  • Disk Loading Method: SPRING
  • Material: STEEL COMP 440C FLOW CONTROL DEVICE
  • Maximum Operating Temp: -65.0 FAHRENHEIT FIRST RESPONSE DEGF
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
  • Nominal Thread Size: 0.562 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 440c Flow Control Device construction
General Description

The Valve,restrictor Check, cataloged under National Stock Number 4820-01-142-3263, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pneudraulics, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4820-01-142-3263
Primary Part Number1193-1
Item NameValve,restrictor Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusACTIVE
Flow Control DevicePOPPET
Thread Class3B ALL ENDS
Disk Loading MethodSPRING
MaterialSTEEL COMP 440C FLOW CONTROL DEVICE
Maximum Operating Temp-65.0 FAHRENHEIT FIRST RESPONSE DEGF
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
Nominal Thread Size0.562 INCHES ALL ENDS IN
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MaterialALUMINUM ALLOY 2024 BODY
Operating Pressure2375.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Operation MethodAUTOMATIC
Mounting PositionHORIZONTAL OR VERTICAL
MaterialSTEEL COMP 440C SEAT
Aperture Diameter5.000 INCHES NOMINAL IN
Connection TypeTHREADED INTERNAL BOSS ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Connection StyleGASKET SEAL (BOSS) ALL ENDS
Maximum Operating Temp275.0 FAHRENHEIT SECOND RESPONSE DEGF
Style DesignatorSTRAIGHT THRU
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-291-8622 INTERCHANGEABLE
Spring,helical,compression
5306-00-303-1370119312 INTERCHANGEABLE
Bolt,drilled,knurled
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
2925-00-441-823211931 INTERCHANGEABLE
Race
Safran Power Usa Llc
5950-00-484-526512149-1 INTERCHANGEABLE
Transformer,power
Drs Advanced Isr, Llc
5950-00-706-9408 INTERCHANGEABLE
Coil,radio Frequency
4730-00-757-4039035-RAC-193 INTERCHANGEABLE
Strainer,sediment
Ftg Inc
5136-00-825-7107 INTERCHANGEABLE
Tap,thread Cutting
4810-01-021-52658262A227 115VAC50/60HZ INTERCHANGEABLE
Valve,solenoid
Automatic Switch Company Dba Asco
5962-01-167-2374 INTERCHANGEABLE
Microcircuit,digital
2835-01-194-8721111931-2 INTERCHANGEABLE
Liner,assembly,oute
Solar Turbines Incorporated Dba Solar Turbines Incorporated
Cross-Reference Index
Part NumberManufacturer
1193-1/-2 Pneudraulics, Inc. (USA)
1193-1 PRIMARY Pneudraulics, Inc. (USA)
Related Parts
5360-00-291-8622INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5306-00-303-1370INTERCHANGEABLE
BOLT,DRILLED,KNURLED
119312
2925-00-441-8232INTERCHANGEABLE
RACE
11931
5950-00-484-5265INTERCHANGEABLE
TRANSFORMER,POWER
12149-1
5950-00-706-9408INTERCHANGEABLE
COIL,RADIO FREQUENCY
4730-00-757-4039INTERCHANGEABLE
STRAINER,SEDIMENT
035-RAC-193
5136-00-825-7107INTERCHANGEABLE
TAP,THREAD CUTTING
4810-01-021-5265INTERCHANGEABLE
VALVE,SOLENOID
8262A227 115VAC50/60HZ
5962-01-167-2374INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2835-01-194-8721INTERCHANGEABLE
LINER,ASSEMBLY,OUTE
111931-2
6210-01-299-8706INTERCHANGEABLE
LENS,LIGHT
11-931.2
4730-01-371-5009INTERCHANGEABLE
NOZZLE,DRY HONING
11931

Frequently Asked Questions

What is NSN 4820-01-142-3263?

NSN 4820-01-142-3263 is a Valve,restrictor Check, manufactured by Pneudraulics, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-142-3263?

NSN 4820-01-142-3263 has 2 cross-referenced part numbers: 1193-1/-2 (Pneudraulics, Inc.), 1193-1 (Pneudraulics, Inc.).

What NSN replaces 4820-01-142-3263?

There are 12 known substitutes for 4820-01-142-3263: 5360-00-291-8622, 5306-00-303-1370, 2925-00-441-8232 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1193-1?

Key specifications for 1193-1: Flow Control Device: POPPET; Thread Class: 3B ALL ENDS; Disk Loading Method: SPRING; Material: STEEL COMP 440C FLOW CONTROL DEVICE. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com