PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3307808-1Valve,regulating,fluid Pressure

Mission Systems Davenport Inc. · NSN 4820-01-418-4223 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-418-4223 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-418-4223. Primary manufacturer part number: 3307808-1.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • First End Thread Direction: RIGHT-HAND
  • Body Style: STRAIGHT THRU
  • First End Style Designator: PLAIN
  • First End Connection Type: THREADED INTERNAL PIPE
  • Thread Size and Series/type Designator: 1-11-1/2 NPT FIRST END
  • Maximum Inlet Pressure Rating: ERR-060
  • End Connection Quantity: 2
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-418-4223, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mission Systems Davenport Inc.. Government technical data includes 13 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-418-4223
Primary Part Number3307808-1
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMission Systems Davenport Inc.
StatusACTIVE
First End Thread DirectionRIGHT-HAND
Body StyleSTRAIGHT THRU
First End Style DesignatorPLAIN
First End Connection TypeTHREADED INTERNAL PIPE
Thread Size and Series/type Designator1-11-1/2 NPT FIRST END
Maximum Inlet Pressure RatingERR-060
End Connection Quantity2
Second End Relationship with First EndIDENTICAL
Flow Control DeviceDIAPHRAGM
FilterNOT INCLUDED
MaterialALUMINUM ALLOY BODY
Valve Loading MethodSPRING
Regulation TypeAUTOMATIC SINGLE STAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4720-00-067-0454100R5-8 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
5940-00-258-540610-411-2-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
4920-01-028-4247100508 INTERCHANGEABLE
Tool,lapping
Parker-Hannifin Corporation Dba Control Systems Division
5330-01-309-4738 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
6625-01-376-4431A3151887 INTERCHANGEABLE
Monitor,voltage Deviation
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
8125-01-497-2400100508 INTERCHANGEABLE
Cap,screw,bottle and Jar
Fluid Defense Systems, Llc Dba Fluid Defense Systems
Cross-Reference Index
Part NumberManufacturer
3307808-1 PRIMARY Mission Systems Davenport Inc. (USA)
100508 Fairchild Industrial Products Company (USA)
Related Parts
4720-00-067-0454INTERCHANGEABLE
HOSE,NONMETALLIC
100R5-8
5940-00-258-5406INTERCHANGEABLE
TERMINAL,STUD
10-411-2-01
4920-01-028-4247INTERCHANGEABLE
TOOL,LAPPING
100508
5330-01-309-4738INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
6625-01-376-4431INTERCHANGEABLE
MONITOR,VOLTAGE DEVIATION
A3151887
8125-01-497-2400INTERCHANGEABLE
CAP,SCREW,BOTTLE AND JAR
100508

Frequently Asked Questions

What is NSN 4820-01-418-4223?

NSN 4820-01-418-4223 is a Valve,regulating,fluid Pressure, manufactured by Mission Systems Davenport Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-418-4223?

NSN 4820-01-418-4223 has 2 cross-referenced part numbers: 3307808-1 (Mission Systems Davenport Inc.), 100508 (Fairchild Industrial Products Company).

What NSN replaces 4820-01-418-4223?

There are 6 known substitutes for 4820-01-418-4223: 4720-00-067-0454, 5940-00-258-5406, 4920-01-028-4247 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3307808-1?

Key specifications for 3307808-1: First End Thread Direction: RIGHT-HAND; Body Style: STRAIGHT THRU; First End Style Designator: PLAIN; First End Connection Type: THREADED INTERNAL PIPE. 14 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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