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21D-20D03C4G — BACKSHELL,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

21D-20D03C4G: BACKSHELL,ELECTRICAL CONNECTOR.

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include seal_type: PREFORMED PACKING, thread_class: 2B, overall_width: 1.437 INCHES MAXIMUM IN, overall_height: 0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN, overall_length: 3.640 INCHES MAXIMUM IN, style_designator: STRAIGHT TYPE W/CABLE CLAMP. This part is cataloged in the U.S.

Government catalog under NSN 5935-01-328-5319, 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
21D-20D03C4G
NSN: 5935-01-328-5319
FSC: 5935 — Connectors, Electrical
CAGE: 50619 — R. KERN ENGINEERING & MANUFACTURING CORP. DBA R KERN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
seal_typePREFORMED PACKING
thread_class2B
overall_width1.437 INCHES MAXIMUM IN
overall_height0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
overall_length3.640 INCHES MAXIMUM IN
style_designatorSTRAIGHT TYPE W/CABLE CLAMP
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE AND NICKEL
nominal_thread_size1.125 INCHES IN
cable_opening_diameter0.250 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
cable_opening_quantity1
thread_quantity_per_inch18
NSN5935-01-328-5319
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN 21D-20D03C4G MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED COUPLING
•
SEAL TYPE: PREFORMED PACKING
•
STYLE DESIGNATOR: STRAIGHT TYPE W/CABLE CLAMP
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.125 INCHES IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED COUPLING
SEAL TYPEPREFORMED PACKING
OVERALL HEIGHT0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT TYPE W/CABLE CLAMP
OVERALL LENGTH3.640 INCHES MAXIMUM IN
OVERALL WIDTH1.437 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.125 INCHES IN
CABLE OPENING QUANTITY1
SURFACE TREATMENTCADMIUM AND CHROMATE AND NICKEL
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21D-20D03C4G?
21D-20D03C4G is a BACKSHELL,ELECTRICAL CONNECTOR.
What is the NSN for 21D-20D03C4G?
21D-20D03C4G is cataloged in the U.S. Government catalog under NSN 5935-01-328-5319. 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.