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Technical Data Sheet
PartsTable / COMPONENT / 977-4
977-4 ✓ 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 WEIGHT,WHEEL BALANCING is a the manufacturer industrial component. Key specifications include weight: 0.500 OUNCES OZ, material: COPPER ALLOY OVERALL, body_width: 0.750 INCHES NOMINAL IN, body_height: 0.150 INCHES MAXIMUM IN, body_length: 0.750 INCHES NOMINAL IN, usage_design: AIRCRAFT WHEEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1630-00-055-6302, 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
977-4
NSN: 1630-00-055-6302
FSC: 1630
CAGE: 97153 — GOODRICH CORPORATION DIV COLLINS AEROSPACE, LANDING SYSTEMS (WHEELS & BRAKES) (USA)
SPECIFICATIONS
weight0.500 OUNCES OZ
materialCOPPER ALLOY OVERALL
body_width0.750 INCHES NOMINAL IN
body_height0.150 INCHES MAXIMUM IN
body_length0.750 INCHES NOMINAL IN
usage_designAIRCRAFT WHEEL
accessory_typeWHEEL WEIGHT
overall_height0.415 INCHES IN
securing_methodFASTENING DEVICE
terminal_length0.133 INCHES IN
fastening_deviceNOT INCLUDED
largest_diameter0.081 INCHES SINGLE END IN
NSN1630-00-055-6302
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WEIGHT,WHEEL BALANCING TITLE COMPONENT PN 977-4 MFR WEIGHT,WHEEL BALANCING
KEY FEATURES
•
ACCESSORY TYPE: WHEEL WEIGHT
•
FSC APPLICATION DATA: WHEELS,LANDING GEAR,AIRCRAFT
•
LIMITED CLEARANCE APPLICATION DESIGN: NOT INCLUDED
•
ITEM TYPE CATEGORY: ACCESSORY
•
FASTENING DEVICE: NOT INCLUDED
•
SECURING METHOD: FASTENING DEVICE
•
USAGE DESIGN: AIRCRAFT WHEEL
TECHNICAL CHARACTERISTICS (FLIS)
ACCESSORY TYPEWHEEL WEIGHT
FSC APPLICATION DATAWHEELS,LANDING GEAR,AIRCRAFT
LIMITED CLEARANCE APPLICATION DESIGNNOT INCLUDED
WEIGHT0.500 OUNCES OZ
ITEM TYPE CATEGORYACCESSORY
FASTENING DEVICENOT INCLUDED
SECURING METHODFASTENING DEVICE
USAGE DESIGNAIRCRAFT WHEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
12752A-4Interchangeable
interchangeable cross-reference
interchangeable
977-3Interchangeable
interchangeable cross-reference
interchangeable
977Interchangeable
interchangeable cross-reference
interchangeable
6086690-4Interchangeable
interchangeable cross-reference
interchangeable
977-4Interchangeable
interchangeable cross-reference
interchangeable
91618763Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 977-4?
977-4 is a WEIGHT,WHEEL BALANCING.
What parts can replace 977-4?
There are 6 known substitutes for 977-4: 12752A-4, 977-3, 977 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 977-4?
977-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1630-00-055-6302. 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