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Technical Data Sheet
PartsTable / MRO / 421-4
421-4 ✓ Verified by PartsTable
Multibrackets · 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

With its modular construction Pro Series parts have vast possibilities to change, update and reconfigure a Pro Series installation. Combine the parts with a Pro Series installation and create a new configuration.<br><br>M Pole Drill Fixture - Pole Drill Fixture, tool for drilling holes when extension pipe has been cut, steel, black<br><br>MB Pro Series is design protected by Multibrackets This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-485-5758, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 421-4
NSN: 5999-01-485-5758
FSC: 5999
CAGE: 0FDD3 — PENTEK, INCORPORATED (USA)
SPECIFICATIONS
materialIRON OVERALL
power_unitINCLUDED
ring_styleCONCENTRIC
gap_housingNOT INCLUDED
joint_styleVERTICAL JOINT
power_rating3.0 HORSEPOWER
reach_length3.000 INCHES NOMINAL IN
spread_range1.375 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN
overall_width0.0930 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity3-3/4 SINGLE COMPONENT SINGLE WINDING
coil_form_typeHOLLOW SINGLE COMPONENT
NSN5999-01-485-5758
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 421-4 MFR Multibrackets FILTER,RADIO FREQUENCY INTERFERE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONPATROL AIRCRAFT
END ITEM IDENTIFICATIONPATROL AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
4214Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-781Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-781 TY8Interchangeable
interchangeable cross-reference
interchangeable
609021Interchangeable
interchangeable cross-reference
interchangeable
1-4 421Interchangeable
interchangeable cross-reference
interchangeable
100R1 TYAT SZ4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 421-4?
421-4 is a FILTER,RADIO FREQUENCY INTERFERE manufactured by Multibrackets. It is classified as a MRO (MRO_GENERAL).
What parts can replace 421-4?
There are 9 known substitutes for 421-4: 4214, GGG-P-781, GGG-P-781 TY8 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 421-4?
421-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-485-5758. 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