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Technical Data Sheet
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419333 ✓ 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 HEAD,SPRINKLER,FIRE PROTECTION is a the manufacturer industrial component. Key specifications include end_item_identification: ANSUL INC R-102 RESTAURANT SUPPRESSION SYSTEM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-040-6139, 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
419333
NSN: 5120-01-040-6139
FSC: 5120
CAGE: 5P301 — STANLEY SUPPLY & SERVICES INC. (USA)
SPECIFICATIONS
end_item_identificationANSUL INC R-102 RESTAURANT SUPPRESSION SYSTEM
NSN5120-01-040-6139
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEAD,SPRINKLER,FIRE PROTECTION TITLE COMPONENT PN 419333 MFR HEAD,SPRINKLER,FIRE PR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH4.000 INCHES NOMINAL IN
SPECIAL FEATURESREVERSE ACTION TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
3143-1Interchangeable
interchangeable cross-reference
interchangeable
WL-PR2Interchangeable
interchangeable cross-reference
interchangeable
PR2Interchangeable
interchangeable cross-reference
interchangeable
1505K24Interchangeable
interchangeable cross-reference
interchangeable
962-4042-00Interchangeable
interchangeable cross-reference
interchangeable
CP70E1FG156KInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 419333?
419333 is a HEAD,SPRINKLER,FIRE PROTECTION.
What parts can replace 419333?
There are 21 known substitutes for 419333: 3143-1, WL-PR2, PR2 and 18 more. Substitute compatibility should be verified for your specific system.
Is 419333 still available?
419333 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026