PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38202-3112S19Valve,safety Relief

Fluid Mechanics Valve Company · NSN 4820-01-396-1934 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-396-1934 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-396-1934. Primary manufacturer part number: 38202-3112S19.
Features
  • Valve,safety Relief — FSC 4820
  • Operating Pressure: 1100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Flow Control Device: DISK
  • Material: NICKEL ALLOY FLOW CONTROL DEVICE
  • Style Designator: ANGLE
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
  • Valve Operation Method: AUTOMATIC
  • Media for Which Designed: LIQUID SINGLE RESPONSE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Flow Control Device construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-396-1934, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Fluid Mechanics Valve Company. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN4820-01-396-1934
Primary Part Number38202-3112S19
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFluid Mechanics Valve Company
StatusACTIVE
Operating Pressure1100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Flow Control DeviceDISK
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Style DesignatorANGLE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
Valve Operation MethodAUTOMATIC
Media for Which DesignedLIQUID SINGLE RESPONSE
MaterialNICKEL ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5841-00-338-1763359D133 INTERCHANGEABLE
Magnet Assy,focusin
General Dynamics Mission Systems, Inc. Dba Gdms
5950-00-647-5260 INTERCHANGEABLE
Transformer,power
4820-01-134-280320285 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-150-382107521004132 INTERCHANGEABLE
Pressure Screw,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5331-01-273-153820285 INTERCHANGEABLE
O-Ring
Bourns Inc
1650-01-395-73811-1327-1-6338 INTERCHANGEABLE
Disk,valve
Fluid Mechanics Valve Company
6545-01-416-6000 INTERCHANGEABLE
Kit,ventilator,volu
6240-01-419-7793 INTERCHANGEABLE
Lamp,fluorescent
8145-01-580-751112573801 INTERCHANGEABLE
Shipping and Storage Container,e
U S Army Tank Automotive Command Amsta-Im-Mm
6680-01-651-780220285-0501 INTERCHANGEABLE
Transmitter,liquid Quantity
Simmonds Precision Products Inc
Cross-Reference Index
Part NumberManufacturer
38202-3112S Fluid Mechanics Valve Company (USA)
20285 Fluid Mechanics Valve Company (USA)
38202-3112S19 PRIMARY Fluid Mechanics Valve Company (USA)
38220-3112S Parker Hannifin Corporation Div Village Marine Tech (USA)
8000 FIND NO.56 Parker Hannifin Corporation Div Village Marine Tech (USA)
38220-3112S Fluid Mechanics Valve Company (USA)
Related Parts
5841-00-338-1763INTERCHANGEABLE
MAGNET ASSY,FOCUSIN
359D133
5950-00-647-5260INTERCHANGEABLE
TRANSFORMER,POWER
4820-01-134-2803INTERCHANGEABLE
VALVE,SAFETY RELIEF
20285
4820-01-150-3821INTERCHANGEABLE
PRESSURE SCREW,VALVE
07521004132
5331-01-273-1538INTERCHANGEABLE
O-RING
20285
1650-01-395-7381INTERCHANGEABLE
DISK,VALVE
1-1327-1-6338
6545-01-416-6000INTERCHANGEABLE
KIT,VENTILATOR,VOLU
6240-01-419-7793INTERCHANGEABLE
LAMP,FLUORESCENT
8145-01-580-7511INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
12573801
6680-01-651-7802INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
20285-0501
6680-01-652-1612INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
20285-0301
4320-01-657-8174INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
20-285

Frequently Asked Questions

What is NSN 4820-01-396-1934?

NSN 4820-01-396-1934 is a Valve,safety Relief, manufactured by Fluid Mechanics Valve Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-396-1934?

NSN 4820-01-396-1934 has 6 cross-referenced part numbers: 38202-3112S (Fluid Mechanics Valve Company), 20285 (Fluid Mechanics Valve Company), 38202-3112S19 (Fluid Mechanics Valve Company), 38220-3112S (Parker Hannifin Corporation Div Village Marine Tech), 8000 FIND NO.56 (Parker Hannifin Corporation Div Village Marine Tech) and 1 more.

What NSN replaces 4820-01-396-1934?

There are 12 known substitutes for 4820-01-396-1934: 5841-00-338-1763, 5950-00-647-5260, 4820-01-134-2803 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 38202-3112S19?

Key specifications for 38202-3112S19: Operating Pressure: 1100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Flow Control Device: DISK; Special Features: DESALINATOR; Material: NICKEL ALLOY FLOW CONTROL DEVICE. 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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