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Technical Data Sheet
PartsTable / MRO / D-421
D-421 ✓ 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 STARTER,ENGINE,ELECTRICAL is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, diameter: 0.625 INCHES IN, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, case_style: SQUARE, scale_type: STATIONARY, seal_width: 0.469 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 5998-01-230-8000, 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→ D-421
NSN: 5998-01-230-8000
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 12763 — DYNALEC CORPORATION (USA)
SPECIFICATIONS
cushionNOT INCLUDED
diameter0.625 INCHES IN
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
case_styleSQUARE
scale_typeSTATIONARY
seal_width0.469 INCHES NOMINAL IN
mounting_padNOT INCLUDED
overall_width1.000 INCHES NOMINAL IN
physical_formSTICK
indicator_typeDIAL
overall_length1.700 INCHES NOMINAL IN
mounting_methodFLANGE
NSN5998-01-230-8000
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 D-421 MFR STARTER,ENGINE,ELECTRICAL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESPRINTED WIRING BOARD 1; RESISTOR 2; CAPACITOR 3; DIODE 2; MICROCIRCUIT 2
SPECIAL FEATURESPRINTED WIRING BOARD 1; RESISTOR 2; CAPACITOR 3; DIODE 2; MICROCIRCUIT 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
D421REVHInterchangeable
interchangeable cross-reference
interchangeable
D421Interchangeable
interchangeable cross-reference
interchangeable
H274Interchangeable
interchangeable cross-reference
interchangeable
A1205E135Interchangeable
interchangeable cross-reference
interchangeable
037675Interchangeable
interchangeable cross-reference
interchangeable
9150PL1374695Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-421?
D-421 is a STARTER,ENGINE,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace D-421?
There are 9 known substitutes for D-421: D421REVH, D421, H274 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D-421?
D-421 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-230-8000. 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