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Technical Data Sheet
PartsTable / MRO / 21891
21891 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: ASBESTOS INSULATION, body_shape: ROUND, body_height: 0.730 INCHES MAXIMUM IN, design_type: JACKETED, construction: ONE-PIECE, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-074-2467, 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→ 21891
NSN: 5998-01-074-2467
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 23094 — OCEAN TECHNOLOGY INC (USA)
SPECIFICATIONS
materialASBESTOS INSULATION
body_shapeROUND
body_height0.730 INCHES MAXIMUM IN
design_typeJACKETED
constructionONE-PIECE
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
tube_quantity3
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
inlet_locationOFFSET IN END SECTION OF BODY 1.250 IN. C OF INLET TO C OF BODY IN
muffler_designMULTIPASS
overall_height1.980 INCHES NOMINAL IN
NSN5998-01-074-2467
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 21891 MFR COIL,RADIO FREQUENCY
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESBUS BAR 4,CAPACITOR 13,CONNECTOR 1,MICROCIRCUIT 26,PRINTED WIRING BOARD 1,RESISTOR 6,TERMINAL 8
SPECIAL FEATURESBUS BAR 4,CAPACITOR 13,CONNECTOR 1,MICROCIRCUIT 26,PRINTED WIRING BOARD 1,RESISTOR 6,TERMINAL 8
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2-189-1Interchangeable
interchangeable cross-reference
interchangeable
A326247Interchangeable
interchangeable cross-reference
interchangeable
M1347Interchangeable
interchangeable cross-reference
interchangeable
2922Interchangeable
interchangeable cross-reference
interchangeable
4089194Interchangeable
interchangeable cross-reference
interchangeable
7910507-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21891?
21891 is a COIL,RADIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21891?
There are 7 known substitutes for 21891: 2-189-1, A326247, M1347 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21891?
21891 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-074-2467. 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