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Technical Data Sheet
PartsTable / COMPONENT / WM1A
WM1A ✓ 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

TEST EQUIPMENT,HELICOPTER ROTOR. Key specifications include end_item_identification: VARIOUS HELICOPTERS, reference_data_and_literature: T.O.33D1-5-2-1FEATGTEST EQUIPMENT,HELICOPTER ROTOR HEAD BALANCE AND BLADE TRACK RUN, part_name_assigned_by_controlling_agency: BLADE TRACKER,ELECTRONIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4920-00-630-2143, 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
WM1A
NSN: 4920-00-630-2143
FSC: 4920
CAGE: 11871 — RECON/OPTICAL, INC. (USA)
SPECIFICATIONS
end_item_identificationVARIOUS HELICOPTERS
reference_data_and_literatureT.O.33D1-5-2-1FEATGTEST EQUIPMENT,HELICOPTER ROTOR HEAD BALANCE AND BLADE TRACK RUN
part_name_assigned_by_controlling_agencyBLADE TRACKER,ELECTRONIC
NSN4920-00-630-2143
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TEST EQUIPMENT,HELICOPTER ROTOR TITLE COMPONENT PN WM1A MFR TEST EQUIPMENT,HELICOP
KEY FEATURES
•
REFERENCE DATA AND LITERATURE: T.O.33D1-5-2-1FEATGTEST EQUIPMENT,HELICOPTER ROTOR HEAD BALANCE AND BLADE TRACK RUN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONVARIOUS HELICOPTERS
REFERENCE DATA AND LITERATURET.O.33D1-5-2-1FEATGTEST EQUIPMENT,HELICOPTER ROTOR HEAD BALANCE AND BLADE TRACK RUN
PART NAME ASSIGNED BY CONTROLLING AGENCYBLADE TRACKER,ELECTRONIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
2100607Interchangeable
interchangeable cross-reference
interchangeable
13324Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
GGG-D-751Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
208Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WM1A?
WM1A is a TEST EQUIPMENT,HELICOPTER ROTOR.
What parts can replace WM1A?
There are 22 known substitutes for WM1A: 2100607, 13324, B94.11M and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WM1A?
WM1A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4920-00-630-2143. 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