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689531-1B — BACKSHELL,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

689531-1B: BACKSHELL,ELECTRICAL CONNECTOR.

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: ALUMINUM, thread_class: 2B, overall_width: 0.562 INCHES NOMINAL IN, overall_height: 1.484 INCHES NOMINAL IN, overall_length: 1.562 INCHES NOMINAL IN, style_designator: HOOD, TOP OPENING W/CLAMP. This part is cataloged in the U.S.

Government catalog under NSN 5935-00-259-9665, 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
689531-1B
NSN: 5935-00-259-9665
FSC: 5935 — Connectors, Electrical
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialALUMINUM
thread_class2B
overall_width0.562 INCHES NOMINAL IN
overall_height1.484 INCHES NOMINAL IN
overall_length1.562 INCHES NOMINAL IN
style_designatorHOOD, TOP OPENING W/CLAMP
thread_directionRIGHT-HAND
nominal_thread_size0.138 INCHES IN
cable_opening_diameter0.438 INCHES NOMINAL IN
cable_opening_quantity1
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5935-00-259-9665
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN 689531-1B MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 THREADED HOLE(S)
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: HOOD, TOP OPENING W/CLAMP
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED HOLE(S)
OVERALL HEIGHT1.484 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.250 INCHES NOMINAL IN
STYLE DESIGNATORHOOD, TOP OPENING W/CLAMP
OVERALL LENGTH1.562 INCHES NOMINAL IN
OVERALL WIDTH0.562 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.138 INCHES IN
CABLE OPENING QUANTITY1
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 1
8519251Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 689531-1B?
689531-1B is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace 689531-1B?
There is 1 known substitute for 689531-1B: 8519251. Substitute compatibility should be verified for your specific system.
What is the NSN for 689531-1B?
689531-1B is cataloged in the U.S. Government catalog under NSN 5935-00-259-9665. 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.