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660-021M20S7-05 — COVER,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

660-021M20S7-05: COVER,ELECTRICAL CONNECTOR.

The COVER,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include seal_type: GASKET, body_height: 0.665 INCHES MAXIMUM IN, thread_class: 2A A, furnished_items: CHAIN, overall_diameter: 1.510 INCHES MAXIMUM IN, size_designation: 20. This part is cataloged in the U.S.

Government catalog under NSN 5935-01-656-6299, 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
660-021M20S7-05
NSN: 5935-01-656-6299
FSC: 5935 — Connectors, Electrical
CAGE: 06324 — GLENAIR, INC. (USA)
SPECIFICATIONS
seal_typeGASKET
body_height0.665 INCHES MAXIMUM IN
thread_class2A A
furnished_itemsCHAIN
overall_diameter1.510 INCHES MAXIMUM IN
size_designation20
special_featuresTHE NUMBER 8 SASH CHAIN IS A PASSIVATED STAINLESS STEEL.
style_designatorEXTERNAL THREADS W/CHAIN OR ROPE
thread_directionRIGHT-HAND
surface_treatmentNICKEL ALLOY
eye_inside_diameter0.157 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
nominal_thread_size1.312 INCHES IN
NSN5935-01-656-6299
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,ELECTRICAL CONNECTOR TITLE COMPONENT PN 660-021M20S7-05 MFR COVER,ELECTRICAL CONNE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED COUPLING
•
SEAL TYPE: GASKET
•
ATTACHMENT FEATURE LENGTH: 7.00 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.510 INCHES MAXIMUM IN
•
BODY HEIGHT: 0.665 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: EXTERNAL THREADS W/CHAIN OR ROPE
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.312 INCHES IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED COUPLING
SEAL TYPEGASKET
ATTACHMENT FEATURE LENGTH7.00 INCHES NOMINAL IN
OVERALL DIAMETER1.510 INCHES MAXIMUM IN
BODY HEIGHT0.665 INCHES MAXIMUM IN
STYLE DESIGNATOREXTERNAL THREADS W/CHAIN OR ROPE
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.312 INCHES IN
SIZE DESIGNATION20
SPECIAL FEATURESTHE NUMBER 8 SASH CHAIN IS A PASSIVATED STAINLESS STEEL.
OTHER ITEMS IN FSC 5935 — Connectors, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5935-00-000-8180 5935-00-001-1344 5935-00-001-1347 5935-00-001-1350 5935-00-001-1351 5935-00-001-1353 5935-00-001-1627 5935-00-001-1628
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 660-021M20S7-05?
660-021M20S7-05 is a COVER,ELECTRICAL CONNECTOR.
What is the NSN for 660-021M20S7-05?
660-021M20S7-05 is cataloged in the U.S. Government catalog under NSN 5935-01-656-6299. 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.