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S577-20103-4C20 — BACKSHELL,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S577-20103-4C20: BACKSHELL,ELECTRICAL CONNECTOR.

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include thread_class: 2B, overall_width: 1.250 INCHES NOMINAL IN, overall_length: 1.338 INCHES NOMINAL IN, style_designator: STRAIGHT TYPE W/CABLE CLAMP, thread_direction: RIGHT-HAND, nominal_thread_size: 1.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5935-00-402-9103, 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
S577-20103-4C20
NSN: 5935-00-402-9103
FSC: 5935 — Connectors, Electrical
CAGE: 07418 — JOSLYN SUNBANK COMPANY, LLC DBA JOSLYN SUNBANK CO LLC (USA)
SPECIFICATIONS
thread_class2B
overall_width1.250 INCHES NOMINAL IN
overall_length1.338 INCHES NOMINAL IN
style_designatorSTRAIGHT TYPE W/CABLE CLAMP
thread_directionRIGHT-HAND
nominal_thread_size1.250 INCHES IN
cable_opening_diameter0.625 INCHES NOMINAL IN
cable_opening_quantity1
thread_series_designatorUNEF
mounting_facility_type_and_quantity1 THREADED COUPLING
NSN5935-00-402-9103
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN S577-20103-4C20 MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED COUPLING
•
STYLE DESIGNATOR: STRAIGHT TYPE W/CABLE CLAMP
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
•
CABLE OPENING QUANTITY: 1
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED COUPLING
STYLE DESIGNATORSTRAIGHT TYPE W/CABLE CLAMP
OVERALL LENGTH1.338 INCHES NOMINAL IN
OVERALL WIDTH1.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.250 INCHES IN
CABLE OPENING QUANTITY1
THREAD CLASS2B
THREAD SERIES DESIGNATORUNEF
CABLE OPENING DIAMETER0.625 INCHES NOMINAL IN
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 1
G350303-2Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S577-20103-4C20?
S577-20103-4C20 is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace S577-20103-4C20?
There is 1 known substitute for S577-20103-4C20: G350303-2. Substitute compatibility should be verified for your specific system.
What is the NSN for S577-20103-4C20?
S577-20103-4C20 is cataloged in the U.S. Government catalog under NSN 5935-00-402-9103. 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.