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Technical Data Sheet
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31-B — Technical Data Sheet

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Braun · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RESISTOR,VOLTAGE SENSITIVE is a Braun industrial component. Key specifications include end_type: EXTERNAL THREAD FIRST END, material: ALUMINUM, design_type: DRY, intake_hole: NOT INCLUDED, groove_width: 0.062 INCHES NOMINAL IN, usage_design: INDOOR OR OUTDOOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4310-00-035-7522, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
31-B
NSN: 4310-00-035-7522
FSC: 4310
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
end_typeEXTERNAL THREAD FIRST END
materialALUMINUM
design_typeDRY
intake_holeNOT INCLUDED
groove_width0.062 INCHES NOMINAL IN
usage_designINDOOR OR OUTDOOR
valve_recessNOT INCLUDED
bore_diameter2.625 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter0.531 INCHES NOMINAL IN
overall_depth14.000 INCHES NOMINAL IN
overall_width23.000 INCHES NOMINAL IN
NSN4310-00-035-7522
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Braun RESISTOR,VOLTAGE SENSITIVE TITLE COMPONENT PN 31-B MFR Braun RESISTOR,VOLTAGE SENSI
KEY FEATURES
•
VALVE RECESS: NOT INCLUDED
•
DESIGN TYPE: DRY
•
INTAKE HOLE: NOT INCLUDED
•
TOP INSIDE CHAMFER: INCLUDED
•
FLANGE OUTSIDE DIAMETER: 3.625 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.462 INCHES NOMINAL IN
•
BOTTOM INSIDE CHAMFER: INCLUDED
TECHNICAL CHARACTERISTICS
VALVE RECESSNOT INCLUDED
DESIGN TYPEDRY
INTAKE HOLENOT INCLUDED
TOP INSIDE CHAMFERINCLUDED
FLANGE OUTSIDE DIAMETER3.625 INCHES NOMINAL IN
FLANGE THICKNESS0.462 INCHES NOMINAL IN
OVERALL LENGTH8.000 INCHES NOMINAL IN
BOTTOM INSIDE CHAMFERINCLUDED
STYLE DESIGNATORDRY, FLANGED, RELIEVED
BODY OUTSIDE DIAMETER3.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
801413-000InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B31-801413InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1261InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4080-8-20InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
323RInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7106854PT185InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31-B?
31-B is a RESISTOR,VOLTAGE SENSITIVE manufactured by Braun.
What parts can replace 31-B?
There are 15 known substitutes for 31-B: 801413-000, B31-801413, 1261 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-B?
31-B is cataloged in the Federal Logistics Information System under NSN 4310-00-035-7522. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026