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21C3129G01 — TESTER,ACTUATOR SYSTEM

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

21C3129G01: TESTER,ACTUATOR SYSTEM.

The TESTER,ACTUATOR SYSTEM is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: USED TO ACTUATE AND SERVICE THE VARIABLE EXHAUST NOZZLE SYSTEM DURING OVERHAUL OF THE J85 ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 4920-00-357-4940, 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
21C3129G01
NSN: 4920-00-357-4940
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
general_characteristics_item_descriptionUSED TO ACTUATE AND SERVICE THE VARIABLE EXHAUST NOZZLE SYSTEM DURING OVERHAUL OF THE J85 ENGINE
NSN4920-00-357-4940
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TESTER,ACTUATOR SYSTEM TITLE COMPONENT PN 21C3129G01 MFR TESTER,ACTUATOR SYSTEM
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: USED TO ACTUATE AND SERVICE THE VARIABLE EXHAUST NOZZLE SYSTEM DURING OVERHAUL OF THE J85 ENGINE
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONUSED TO ACTUATE AND SERVICE THE VARIABLE EXHAUST NOZZLE SYSTEM DURING OVERHAUL OF THE J85 ENGINE
OTHER ITEMS IN FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4920-00-000-0190 4920-00-001-1405 4920-00-001-1716 4920-00-001-1744 4920-00-001-1745 4920-00-001-1746 4920-00-001-1747 4920-00-001-1748
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 21C3129G01?
21C3129G01 is a TESTER,ACTUATOR SYSTEM.
What is the NSN for 21C3129G01?
21C3129G01 is cataloged in the U.S. Government catalog under NSN 4920-00-357-4940. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.