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WA41100 ✓ 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 TRANSILLUMINATOR HEAD is a the manufacturer industrial component. Key specifications include special_features: WELCH ALLYN 3.5V FINNOFF; 6500-74-000-1022, SP25D; UPN H190411001 V, part_name_assigned_by_controlling_agency: TRANSILLUMINATOR HE WELCH ALLYN 3.5 VOLT FINNOFF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6540-01-461-8991, 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
WA41100
NSN: 6540-01-461-8991
FSC: 6540
CAGE: 2T036 — KRASITY'S MEDICAL & SURGICAL SUPPLY, INC. DBA KRASITY'S (USA)
SPECIFICATIONS
special_featuresWELCH ALLYN 3.5V FINNOFF; 6500-74-000-1022, SP25D; UPN H190411001 V
part_name_assigned_by_controlling_agencyTRANSILLUMINATOR HE WELCH ALLYN 3.5 VOLT FINNOFF
NSN6540-01-461-8991
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSILLUMINATOR HEAD TITLE COMPONENT PN WA41100 MFR TRANSILLUMINATOR HEAD
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYTRANSILLUMINATOR HE WELCH ALLYN 3.5 VOLT FINNOFF
SPECIAL FEATURESWELCH ALLYN 3.5V FINNOFF; 6500-74-000-1022, SP25D; UPN H190411001 V
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
41100Upgraded Successor
successor cross-reference
successor
BT41100Interchangeable
interchangeable cross-reference
interchangeable
FF-B-187AInterchangeable
interchangeable cross-reference
interchangeable
2150A1Interchangeable
interchangeable cross-reference
interchangeable
13214E3818-2Interchangeable
interchangeable cross-reference
interchangeable
SB-2408Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WA41100?
WA41100 is a TRANSILLUMINATOR HEAD.
What parts can replace WA41100?
There are 13 known substitutes for WA41100: 41100, BT41100, FF-B-187A and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WA41100?
WA41100 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6540-01-461-8991. 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