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M251A ✓ Verified by PartsTable
— · 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 SWITCH,FLOW is a the manufacturer industrial component. Key specifications include body_length: 2.000 INCHES NOMINAL IN, overall_width: 2.250 INCHES NOMINAL IN, terminal_type: TAB W/SCREW, overall_height: 3.812 INCHES NOMINAL IN, overall_length: 10.250 INCHES NOMINAL IN, contact_adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-099-0470, 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
M251A
NSN: 5930-00-099-0470
FSC: 5930
CAGE: 79230 — WAY WOLFF ASSOCIATES INC (USA)
SPECIFICATIONS
body_length2.000 INCHES NOMINAL IN
overall_width2.250 INCHES NOMINAL IN
terminal_typeTAB W/SCREW
overall_height3.812 INCHES NOMINAL IN
overall_length10.250 INCHES NOMINAL IN
contact_adjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
contact_action_stimulusINCREASE
nonpile-up_contact_arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
NSN5930-00-099-0470
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,FLOW TITLE COMPONENT PN M251A MFR SWITCH,FLOW
KEY FEATURES
•
CONTACT ADJUSTABILITY: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
•
CONTACT ACTION STIMULUS: INCREASE
•
TERMINAL TYPE: TAB W/SCREW
•
BODY LENGTH: 2.000 INCHES NOMINAL IN
•
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT ADJUSTABILITYDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
CONTACT ACTION STIMULUSINCREASE
OVERALL WIDTH2.250 INCHES NOMINAL IN
OVERALL HEIGHT3.812 INCHES NOMINAL IN
TERMINAL TYPETAB W/SCREW
OVERALL LENGTH10.250 INCHES NOMINAL IN
BODY LENGTH2.000 INCHES NOMINAL IN
NONPILE-UP CONTACT ARRANGEMENT1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
0900813-7Interchangeable
interchangeable cross-reference
interchangeable
103411Interchangeable
interchangeable cross-reference
interchangeable
804881Interchangeable
interchangeable cross-reference
interchangeable
07-20094-0Interchangeable
interchangeable cross-reference
interchangeable
M25-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M251A?
M251A is a SWITCH,FLOW.
What parts can replace M251A?
There are 5 known substitutes for M251A: 0900813-7, 103411, 804881 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M251A?
M251A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-099-0470. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026