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Technical Data Sheet
21-078 ✓ Verified by PartsTable
Bestway · 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,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 3.800 INCHES NOMINAL IN, slide_material: STEEL, sleeve_material: STEEL, end_item_identification: SEAWOLF CLASS SSN, valve_design_control_activity: 78062. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-990-4754, 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 21-078
NSN: 5999-00-990-4754
FSC: 5999
CAGE: 82423 — KLEINSCHMIDT INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length3.800 INCHES NOMINAL IN
slide_materialSTEEL
sleeve_materialSTEEL
end_item_identificationSEAWOLF CLASS SSN
valve_design_control_activity78062
valve_type_for_which_designedDIRECTIONAL CONTROL LINEAR
material_document_and_classificationASTM A582 ASSN STD ALL MATERIAL RESPONSES
valve_model_number_for_which_designed21078
NSN5999-00-990-4754
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 21-078 MFR Bestway RESISTOR,VARIABLE,NONWIRE WOUND,
KEY FEATURES
PRECIOUS MATERIAL: GOLD
MOUNTING METHOD: TERMINAL
SURFACE TREATMENT: GOLD AND COPPER BODY AND CONTACT
TERMINAL TYPE AND QUANTITY: 1 PIN AXIALLY AT ONE END
PRECIOUS MATERIAL AND LOCATION: BODY AND CONTACT SURFACES GOLD
CABLE ENTRANCE DIAMETER: 0.045 INCHES NOMINAL IN
OVERALL DIAMETER: 0.078 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PRECIOUS MATERIALGOLD
MOUNTING METHODTERMINAL
SURFACE TREATMENTGOLD AND COPPER BODY AND CONTACT
TERMINAL TYPE AND QUANTITY1 PIN AXIALLY AT ONE END
PRECIOUS MATERIAL AND LOCATIONBODY AND CONTACT SURFACES GOLD
CABLE ENTRANCE DIAMETER0.045 INCHES NOMINAL IN
OVERALL LENGTH0.622 INCHES NOMINAL IN
OVERALL DIAMETER0.078 INCHES MAXIMUM IN
POINT DIAMETER0.039 INCHES NOMINAL IN
STYLE DESIGNATORPIN CONTACT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
21078Upgraded Successor
successor cross-reference
successor
2128-7801-700Upgraded Successor
successor cross-reference
successor
A6162Interchangeable
interchangeable cross-reference
interchangeable
152C71Interchangeable
interchangeable cross-reference
interchangeable
2100-0059Interchangeable
interchangeable cross-reference
interchangeable
BA90101Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21-078?
21-078 is a RESISTOR,VARIABLE,NONWIRE WOUND, manufactured by Bestway. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21-078?
There are 15 known substitutes for 21-078: 21078, 2128-7801-700, A6162 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-078?
21-078 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-990-4754. This indicates validated use in U.S. government and defense supply chains.
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