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4210-021 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4210-021: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include overall_width: 1.000 INCHES NOMINAL IN, overall_height: 0.880 INCHES NOMINAL IN, overall_length: 1.000 INCHES NOMINAL IN, shell_material: COPPER ALLOY, insert_material: PLASTIC SINGLE MATING END, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5935-00-945-6719, 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
4210-021
NSN: 5935-00-945-6719
FSC: 5935 — Connectors, Electrical
CAGE: 70998 — BIRD ELECTRONIC CORPORATION DIV BIRD ELECTRONIC CORP (USA)
SPECIFICATIONS
overall_width1.000 INCHES NOMINAL IN
overall_height0.880 INCHES NOMINAL IN
overall_length1.000 INCHES NOMINAL IN
shell_materialCOPPER ALLOY
insert_materialPLASTIC SINGLE MATING END
thread_directionRIGHT-HAND
mating_end_quantity1
nominal_thread_size0.625 INCHES IN
contact_removabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
threaded_device_typeCOUPLING FACILITY
included_contact_typeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
connector_locking_methodEXTERNALLY THREADED SHELL
NSN5935-00-945-6719
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 4210-021 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
•
CONNECTOR LOCKING METHOD: EXTERNALLY THREADED SHELL
•
MATING END QUANTITY: 1
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.125 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 0.812 INCHES NOMINAL IN
•
INCLUDED CONTACT QUANTITY: 1 SINGLE MATING END SINGLE CONTACT GROUPING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.880 INCHES NOMINAL IN
CONNECTOR LOCKING METHODEXTERNALLY THREADED SHELL
MATING END QUANTITY1
UNTHREADED MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL IN
OVERALL LENGTH1.000 INCHES NOMINAL IN
OVERALL WIDTH1.000 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS0.812 INCHES NOMINAL IN
INCLUDED CONTACT QUANTITY1 SINGLE MATING END SINGLE CONTACT GROUPING
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.625 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 1
421021Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4210-021?
4210-021 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 4210-021?
There is 1 known substitute for 4210-021: 421021. Substitute compatibility should be verified for your specific system.
What is the NSN for 4210-021?
4210-021 is cataloged in the U.S. Government catalog under NSN 5935-00-945-6719. 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.