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Technical Data Sheet

4L97556 — Technical Data Sheet

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— · 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

SENSING ELEMENT,FIRE DETECTOR SY. Key specifications include element_length: 3.500 FEET NOMINAL FT, end_item_identification: AIRCRAFT,GALAXY C-5. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 6340-01-341-5332, 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
4L97556
NSN: 6340-01-341-5332
FSC: 6340
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
element_length3.500 FEET NOMINAL FT
end_item_identificationAIRCRAFT,GALAXY C-5
NSN6340-01-341-5332
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SENSING ELEMENT,FIRE DETECTOR SY TITLE COMPONENT PN 4L97556 MFR SENSING ELEMENT,FIRE D
KEY FEATURES
•
ELEMENT LENGTH: 3.500 FEET NOMINAL FT
TECHNICAL CHARACTERISTICS
ELEMENT LENGTH3.500 FEET NOMINAL FT
END ITEM IDENTIFICATIONAIRCRAFT,GALAXY C-5
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
400017InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
40-03221InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B-40JLInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
400041-020InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
400041InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS90546-52InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4L97556?
4L97556 is a SENSING ELEMENT,FIRE DETECTOR SY.
What parts can replace 4L97556?
There are 11 known substitutes for 4L97556: 400017, 40-03221, B-40JL and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4L97556?
4L97556 is cataloged in the Federal Logistics Information System under NSN 6340-01-341-5332. This indicates validated use in U.S. government and defense supply chains.
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