B646 — Cable Assembly Specs

✓ Verified by PartsTable

— · MRO · MRO_GENERAL

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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: PLASTIC ENCLOSURE, overall_width: 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN, overall_height: 0.125 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN, overall_length: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-494-2343, 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

MRO→ MRO_GENERAL→ B646

NSN: 5998-01-494-2343
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 52088 — LOCKHEED MARTIN CORPORATION DIV RMS - MANASSAS (USA)

SPECIFICATIONS

material	PLASTIC ENCLOSURE
overall_width	0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
overall_height	0.125 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
overall_length	0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
mounting_method	TERMINAL
terminal_length	0.500 INCHES MINIMUM IN
special_features	JUNCTION PATTERN ARRANGEMENT: PNP
features_provided	ELECTROSTATIC SENSITIVE
internal_configuration	JUNCTION CONTACT
semiconductor_material	SILICON
end_item_identification	AN/UYQ-70(V) ADV DISPLAY SYS N/A FOR COSAL USE
terminal_type_and_quantity	3 UNINSULATED WIRE LEAD
NSN	5998-01-494-2343

COMPONENT DIAGRAM

KEY FEATURES

•

FEATURES PROVIDED: ELECTROSTATIC SENSITIVE

TECHNICAL CHARACTERISTICS (FLIS)

FEATURES PROVIDED	ELECTROSTATIC SENSITIVE
END ITEM IDENTIFICATION	AN/UYQ-70(V) ADV DISPLAY SYS N/A FOR COSAL USE
FEATURES PROVIDED	ELECTROSTATIC SENSITIVE
END ITEM IDENTIFICATION	AN/UYQ-70(V) ADV DISPLAY SYS N/A FOR COSAL USE

VERIFIED SUBSTITUTES & CROSS-REFERENCES 10

2N3703Interchangeable

interchangeable cross-reference

interchangeable

294-334Interchangeable

interchangeable cross-reference

interchangeable

79C0356-00Interchangeable

Same NIIN cross-reference

interchangeable

59-003-0002Interchangeable

Connector,receptacle,electrical

interchangeable

1853-0023Interchangeable

Connector,receptacle,electrical

interchangeable

50802-1092-03Interchangeable

Connector,receptacle,electrical

interchangeable

LIFECYCLE

StatusACTIVE

AvailabilityOEM and secondary market

RoHS CompliantEAR99ESD SensitiveNot HAZMATSourcing: other

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FREQUENTLY ASKED QUESTIONS

What is B646?

B646 is a CONNECTOR,RECEPTACLE,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).

What parts can replace B646?

There are 10 known substitutes for B646: 2N3703, 294-334, 79C0356-00 and 7 more. Substitute compatibility should be verified for your specific system.

What is the NSN for B646?

B646 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-494-2343. This indicates validated use in U.S. government and defense supply chains.

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