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S1273-1757 — BACKSHELL,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S1273-1757: BACKSHELL,ELECTRICAL CONNECTOR.

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, thread_class: 2B, overall_width: 2.113 INCHES MAXIMUM IN, overall_height: 1.344 INCHES MAXIMUM IN, size_designation: 20 AND 21, style_designator: STRAIGHT TYPE W/CABLE CLAMP. This part is cataloged in the U.S.

Government catalog under NSN 5935-01-267-6649, 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
S1273-1757
NSN: 5935-01-267-6649
FSC: 5935 — Connectors, Electrical
CAGE: 07418 — JOSLYN SUNBANK COMPANY, LLC DBA JOSLYN SUNBANK CO LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
thread_class2B
overall_width2.113 INCHES MAXIMUM IN
overall_height1.344 INCHES MAXIMUM IN
size_designation20 AND 21
style_designatorSTRAIGHT TYPE W/CABLE CLAMP
thread_directionRIGHT-HAND
surface_treatmentNICKEL
nominal_thread_size1.188 INCHES IN
nominal_thread_length0.219 INCHES IN
cable_opening_diameter0.750 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
cable_opening_quantity1
NSN5935-01-267-6649
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN S1273-1757 MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED COUPLING
•
NOMINAL THREAD LENGTH: 0.219 INCHES IN
•
STYLE DESIGNATOR: STRAIGHT TYPE W/CABLE CLAMP
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.188 INCHES IN
•
CABLE OPENING QUANTITY: 1
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED COUPLING
OVERALL HEIGHT1.344 INCHES MAXIMUM IN
NOMINAL THREAD LENGTH0.219 INCHES IN
STYLE DESIGNATORSTRAIGHT TYPE W/CABLE CLAMP
OVERALL WIDTH2.113 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.188 INCHES IN
CABLE OPENING QUANTITY1
SIZE DESIGNATION20 AND 21
SURFACE TREATMENTNICKEL
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
220-12200-1757Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S1273-1757?
S1273-1757 is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace S1273-1757?
There is 1 known substitute for S1273-1757: 220-12200-1757. Substitute compatibility should be verified for your specific system.
What is the NSN for S1273-1757?
S1273-1757 is cataloged in the U.S. Government catalog under NSN 5935-01-267-6649. 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.