PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3181Valve,regulating,temperature

Sunroc Corp · NSN 4820-00-715-3464 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-715-3464 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-715-3464. Primary manufacturer part number: 3181.
Features
  • Valve,regulating,temperature — FSC 4820
  • Material: COPPER ALLOY SEAT
  • End Connection Quantity: 2
  • Material: COPPER ALLOY BODY
  • First End Style Designator: PLAIN
  • Thread Size and Series/type Designator: 0.375-18 NPT FIRST END
  • Material: STEEL CORROSION RESISTING STEM
  • Flow Control Device: BELLOWS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Seat construction
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-00-715-3464, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sunroc Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN4820-00-715-3464
Primary Part Number3181
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSunroc Corp
StatusCANCELLED
MaterialCOPPER ALLOY SEAT
End Connection Quantity2
MaterialCOPPER ALLOY BODY
First End Style DesignatorPLAIN
Thread Size and Series/type Designator0.375-18 NPT FIRST END
MaterialSTEEL CORROSION RESISTING STEM
Flow Control DeviceBELLOWS
Capillary Tube Length36.000 INCHES NOMINAL IN
Temp AdjustabilityADJUSTABLE
Body StyleSTRAIGHT THRU
First End Connection TypeTHREADED INTERNAL PIPE
Second End Relationship with First EndIDENTICAL
Thermostatic ElementINTEGRAL W/VALVE
First End Thread DirectionRIGHT-HAND
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-068-0500015587T INTERCHANGEABLE
Screw,cap,hexagon Head
Kovatch Corp.
5360-00-312-5335 INTERCHANGEABLE
Spring,helical,extension
4820-00-318-05098329384 INTERCHANGEABLE
Valve,hydraulic Ble
U S Army Tank Automotive Command Amsta-Im-Mm
4330-00-360-427527264 INTERCHANGEABLE
Filter Assembly,fluid
Arvinmeritor Inc
4920-00-398-12663182 INTERCHANGEABLE
Nozzle,overhaul Tes
Allison Transmission Inc Dba Allison Transmission, Inc
4920-00-449-37223181 INTERCHANGEABLE
Pipe,tail,test Stan
Allison Transmission Inc Dba Allison Transmission, Inc
6610-00-464-67943182 INTERCHANGEABLE
Base Assembly
Kearflex Engineering Company
6150-00-488-8572101144 INTERCHANGEABLE
Lead and Conduit Assembly,electr
Linde Material Handling North America Corporation
5935-00-682-431631-82 INTERCHANGEABLE
Connector,receptacle,electrical
Te Connectivity Corporation Dba Microdot Products
2040-00-777-82313182 INTERCHANGEABLE
Eyepieice Assembly
L3 Technologies, Inc. Div L3 Keo
Cross-Reference Index
Part NumberManufacturer
12-1-1 Emerson Electric Co H and H Precision Products (USA)
3182 Sunroc Corp (USA)
EB31XF026 Snowbird Industries Inc (USA)
3181 PRIMARY Sunroc Corp (USA)
Related Parts
5305-00-068-0500INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
015587T
5360-00-312-5335INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
4820-00-318-0509INTERCHANGEABLE
VALVE,HYDRAULIC BLE
8329384
4330-00-360-4275INTERCHANGEABLE
FILTER ASSEMBLY,FLUID
27264
4920-00-398-1266INTERCHANGEABLE
NOZZLE,OVERHAUL TES
3182
4920-00-449-3722INTERCHANGEABLE
PIPE,TAIL,TEST STAN
3181
6610-00-464-6794INTERCHANGEABLE
BASE ASSEMBLY
3182
6150-00-488-8572INTERCHANGEABLE
LEAD AND CONDUIT ASSEMBLY,ELECTR
101144
5935-00-682-4316INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
31-82
2040-00-777-8231INTERCHANGEABLE
EYEPIEICE ASSEMBLY
3182
2910-00-830-0184INTERCHANGEABLE
FILTER ELEMENT FLUI
33181
5815-00-962-1836INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY

Frequently Asked Questions

What is NSN 4820-00-715-3464?

NSN 4820-00-715-3464 is a Valve,regulating,temperature, manufactured by Sunroc Corp, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-715-3464?

NSN 4820-00-715-3464 has 4 cross-referenced part numbers: 12-1-1 (Emerson Electric Co H and H Precision Products), 3182 (Sunroc Corp), EB31XF026 (Snowbird Industries Inc), 3181 (Sunroc Corp).

What NSN replaces 4820-00-715-3464?

There are 12 known substitutes for 4820-00-715-3464: 5305-00-068-0500, 5360-00-312-5335, 4820-00-318-0509 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3181?

Key specifications for 3181: Material: COPPER ALLOY SEAT; End Connection Quantity: 2; Material: COPPER ALLOY BODY; First End Style Designator: PLAIN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-715-3464 still in active supply?

NSN 4820-00-715-3464 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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