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Technical Data Sheet
PartsTable / MRO / 3780 21
3780 21 ✓ 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

The 3780 21 is a the manufacturer industrial component. Key specifications include material: STEEL ALLOY OVERALL, point_type: SPLIT, point_angle: 135.0 DEGREES NOMINAL, shank_style: STRAIGHT ROUND, flute_length: 1.062 INCHES NOMINAL IN, overall_length: 3.250 INCHES NOMINAL 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 5998-00-947-6616, 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→ 3780 21
NSN: 5998-00-947-6616
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 42498 — DAR ELECTRONICS INC DBA NATIONAL RADIO CO (USA)
SPECIFICATIONS
materialSTEEL ALLOY OVERALL
point_typeSPLIT
point_angle135.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length1.062 INCHES NOMINAL IN
flute_quantity2
overall_length3.250 INCHES NOMINAL IN
shank_diameter0.159 INCHES NOMINAL IN
special_featuresJOBBERS LG; WIRE SIZE 21
cutting_end_styleGENERAL PURPOSE
surface_treatmentOXIDE FILM OVERALL
nominal_cutting_diameter0.1590 INCHES IN
NSN5998-00-947-6616
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 3780 21 MFR 3780 21
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
3780 21Interchangeable
interchangeable cross-reference
interchangeable
C15927Interchangeable
interchangeable cross-reference
interchangeable
A37802G1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3780 21?
3780 21 is a 3780 21. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3780 21?
There are 3 known substitutes for 3780 21: 3780 21, C15927, A37802G1. Substitute compatibility should be verified for your specific system.
What is the NSN for 3780 21?
3780 21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-947-6616. 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