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989C578L91 — BACKSHELL,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

989C578L91: BACKSHELL,ELECTRICAL CONNECTOR.

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, thread_class: 2B, overall_length: 2.500 INCHES NOMINAL IN, furnished_items: SASH CHAIN, overall_diameter: 1.150 INCHES MAXIMUM IN, size_designation: 16. This part is cataloged in the U.S.

Government catalog under NSN 5935-01-241-7871, 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
989C578L91
NSN: 5935-01-241-7871
FSC: 5935 — Connectors, Electrical
CAGE: 18323 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA ELECTRONIC SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
thread_class2B
overall_length2.500 INCHES NOMINAL IN
furnished_itemsSASH CHAIN
overall_diameter1.150 INCHES MAXIMUM IN
size_designation16
special_featuresUSED ON DUMMY CONNECTORS
style_designatorR.F. THREADED
thread_directionRIGHT-HAND
surface_treatmentNICKEL
nominal_thread_size1.000 INCHES IN
thread_quantity_per_inch20
NSN5935-01-241-7871
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN 989C578L91 MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED COUPLING
•
OVERALL DIAMETER: 1.150 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: R.F. THREADED
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
SIZE DESIGNATION: 16
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED COUPLING
OVERALL DIAMETER1.150 INCHES MAXIMUM IN
STYLE DESIGNATORR.F. THREADED
OVERALL LENGTH2.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
SIZE DESIGNATION16
SPECIAL FEATURESUSED ON DUMMY CONNECTORS
SURFACE TREATMENTNICKEL
THREAD CLASS2B
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 989C578L91?
989C578L91 is a BACKSHELL,ELECTRICAL CONNECTOR.
What is the NSN for 989C578L91?
989C578L91 is cataloged in the U.S. Government catalog under NSN 5935-01-241-7871. 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.