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Technical Data Sheet
PartsTable / MRO / B20-4
B20-4 ✓ 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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: PLASTIC POLYCARBONATE TUBE, body_style: BUSHING MOUNT, body_width: 0.766 INCHES NOMINAL IN, joint_type: SCARF-PERIPHERAL OVERALL, body_height: 1.062 INCHES NOMINAL IN, body_length: 1.328 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-406-7995, 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→ B20-4
NSN: 5998-00-406-7995
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: K0656 — BAE SYSTEMS (OPERATIONS) LIMITED (GBR)
SPECIFICATIONS
materialPLASTIC POLYCARBONATE TUBE
body_styleBUSHING MOUNT
body_width0.766 INCHES NOMINAL IN
joint_typeSCARF-PERIPHERAL OVERALL
body_height1.062 INCHES NOMINAL IN
body_length1.328 INCHES NOMINAL IN
flexibilityRIGID
actuator_styleROUND
bushing_length0.469 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
actuator_height0.469 INCHES NOMINAL IN
first_end_styleCHAMFERED
NSN5998-00-406-7995
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 B20-4 MFR RESISTOR,FIXED,WIRE WOUND,INDUCT
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION49201265544 TEST SET,FLIGHT CONTROL
PART NAME ASSIGNED BY CONTROLLING AGENCYUSAGE DESIGN: PANEL ASSEMBLY NO. 5,BUILT-IN-TEST
END ITEM IDENTIFICATION49201265544 TEST SET,FLIGHT CONTROL
PART NAME ASSIGNED BY CONTROLLING AGENCYUSAGE DESIGN: PANEL ASSEMBLY NO. 5,BUILT-IN-TEST
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
24K7Interchangeable
interchangeable cross-reference
interchangeable
MS35059-23Interchangeable
interchangeable cross-reference
interchangeable
8824K7Interchangeable
interchangeable cross-reference
interchangeable
94190Interchangeable
interchangeable cross-reference
interchangeable
41623Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-755Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B20-4?
B20-4 is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).
What parts can replace B20-4?
There are 12 known substitutes for B20-4: 24K7, MS35059-23, 8824K7 and 9 more. Substitute compatibility should be verified for your specific system.
Is B20-4 still available?
B20-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026