PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3407Valve,check

Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging · NSN 4820-00-541-1174 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-541-1174 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-541-1174. Primary manufacturer part number: 3407.
Features
  • Valve,check — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Connection Style: PLAIN (TUBE) FIRST END
  • Material: COPPER ALLOY BODY
  • Media for Which Designed: OXYGEN, GASEOUS SINGLE RESPONSE
  • Nominal Thread Size: 0.375 INCHES FIRST END IN
  • Operating Pressure: 1800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Outside Diameter Tube Accommodated: 0.188 INCHES FIRST END IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-541-1174, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN4820-00-541-1174
Primary Part Number3407
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSafran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Connection StylePLAIN (TUBE) FIRST END
MaterialCOPPER ALLOY BODY
Media for Which DesignedOXYGEN, GASEOUS SINGLE RESPONSE
Nominal Thread Size0.375 INCHES FIRST END IN
Operating Pressure1800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter Tube Accommodated0.188 INCHES FIRST END IN
Thread Series DesignatorUNF FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread DirectionRIGHT-HAND FIRST END
Disk Loading MethodSPRING
MaterialCOPPER ALLOY SEAT
Thread Quantity Per Inch24 FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-052-3644161410 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
3110-00-144-8658 INTERCHANGEABLE
Bearing,ball,annular
2030-00-222-3640 INTERCHANGEABLE
Davits,boat,boom
5310-00-369-163530651-1 INTERCHANGEABLE
Nut,plain,hexagon
The Dewey Electronics Corporation
2910-00-388-69473407 INTERCHANGEABLE
Nozzle
Northrop Grumman Systems Corporation Div Marine Systems
5935-00-581-0422165-10 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corp Div Amphenol Aerospace Operations
5365-00-868-57463407 INTERCHANGEABLE
Spacer,ring
Avox Systems Inc Dba Avox Systems Inc
2530-00-870-724118004990 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
General Motors Llc Dba General Motors Llc
5998-01-214-57393407 INTERCHANGEABLE
Extender Card,electronic Test
Data Device Corp Dba Beta Transformer Technology
6150-01-242-98983407 INTERCHANGEABLE
Bus,conductor
Tdk-Lambda Americas Inc. Div High Power Division
Cross-Reference Index
Part NumberManufacturer
3407 PRIMARY Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
Related Parts
5950-00-052-3644INTERCHANGEABLE
TRANSFORMER,POWER
161410
3110-00-144-8658INTERCHANGEABLE
BEARING,BALL,ANNULAR
2030-00-222-3640INTERCHANGEABLE
DAVITS,BOAT,BOOM
5310-00-369-1635INTERCHANGEABLE
NUT,PLAIN,HEXAGON
30651-1
2910-00-388-6947INTERCHANGEABLE
NOZZLE
3407
5935-00-581-0422INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
165-10
5365-00-868-5746INTERCHANGEABLE
SPACER,RING
3407
2530-00-870-7241INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
18004990
5998-01-214-5739INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
3407
6150-01-242-9898INTERCHANGEABLE
BUS,CONDUCTOR
3407
5805-01-248-7267INTERCHANGEABLE
TELEPHONE CONNECTING STATION
5330-01-248-9731INTERCHANGEABLE
GASKET
3407

Frequently Asked Questions

What is NSN 4820-00-541-1174?

NSN 4820-00-541-1174 is a Valve,check, manufactured by Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-541-1174?

NSN 4820-00-541-1174 has 1 cross-referenced part number: 3407 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging).

What NSN replaces 4820-00-541-1174?

There are 12 known substitutes for 4820-00-541-1174: 5950-00-052-3644, 3110-00-144-8658, 2030-00-222-3640 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3407?

Key specifications for 3407: Style Designator: STRAIGHT THRU; Connection Style: PLAIN (TUBE) FIRST END; Material: COPPER ALLOY BODY; Media for Which Designed: OXYGEN, GASEOUS SINGLE RESPONSE. 13 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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