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Technical Data Sheet
PartsTable / COMPONENT / 687-3
687-3 ✓ Verified by PartsTable
— · CABLE ASSEMBLY
WHAT YOU NEED TO KNOW
SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter
Verify connector type on BOTH ends — many SAS cables are asymmetric
PRODUCT OVERVIEW

The COMPUTER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include unit_type: COAXIAL LINE, overall_width: 3.400 INCHES NOMINAL IN, overall_height: 2.358 INCHES NOMINAL IN, overall_length: 5.570 INCHES NOMINAL IN, special_features: COUPLING RANGE 45 TO 60 DB,CW POWER RATING 250 WATTS,INSERTION LOSS 0.2 DB MAX DB, radio_frequency_rating: 225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-583-2151, 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
687-3
NSN: 5999-00-583-2151
FSC: 5999
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE
overall_width3.400 INCHES NOMINAL IN
overall_height2.358 INCHES NOMINAL IN
overall_length5.570 INCHES NOMINAL IN
special_featuresCOUPLING RANGE 45 TO 60 DB,CW POWER RATING 250 WATTS,INSERTION LOSS 0.2 DB MAX DB
component_quantity9
radio_frequency_rating225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM
unpackaged_unit_weight18.500 OUNCES NOMINAL OZ
end_item_identificationBOAT,INFLATABLE; 1940-01-262-3993
nonsupply_items_and_quantitiesLEAD,IGNITION,ENGINE 8; INSTRUCTION SHEET 1
NSN5999-00-583-2151
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN 687-3 MFR COMPUTER SUBASSEMBLY
KEY FEATURES
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
9S4983L44Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 687-3?
687-3 is a COMPUTER SUBASSEMBLY.
What parts can replace 687-3?
There is 1 known substitute for 687-3: 9S4983L44. Substitute compatibility should be verified for your specific system.
What is the NSN for 687-3?
687-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-583-2151. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026