PartsTable
Technical Data Sheet
Download PDF

2221B — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

2221B: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include body_width: 1.010 INCHES MAXIMUM1.010 INCHES MAXIMUM IN, body_length: 5.920 INCHES MAXIMUM5.920 INCHES MAXIMUM IN, body_material: ALUMINUM, inclosure_type: ENCASED, overall_height: 1.790 INCHES NOMINAL1.790 INCHES NOMINAL IN, overall_length: 1.2500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-120-4337, 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→ 2221B
NSN: 3110-00-120-4337
NIINs: 001204337, 010691492
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
body_width1.010 INCHES MAXIMUM1.010 INCHES MAXIMUM IN
body_length5.920 INCHES MAXIMUM5.920 INCHES MAXIMUM IN
body_materialALUMINUM
inclosure_typeENCASED
overall_height1.790 INCHES NOMINAL1.790 INCHES NOMINAL IN
overall_length1.2500 INCHES NOMINAL IN
special_featuresROLLER TYPE: SOLID
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
nominal_thread_size0.138 INCHES IN
operating_temp_range-10.0 TO 75.0 CELSIUS-10.0 TO 75.0 CELSIUS DEGC
body_surface_treatmentTIN
overall_outside_diameter1.7500 INCHES NOMINAL IN
NSN3110-00-120-4337
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2221B · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL OUTSIDE DIAMETER: 1.7500 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
OVERALL LENGTH1.2500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
SPECIAL FEATURESROLLER TYPE: SOLID
SUBSTITUTES & CROSS-REFERENCES 8
675385Reference document
Same NSN cross-reference
Reference document — Secondary reference
94720Reference document
Same NSN cross-reference
Reference document — Secondary reference
R2221BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
200420Reference document
Same NSN cross-reference
Reference document — Secondary reference
T15237Reference document
Same NSN cross-reference
Reference document — Secondary reference
J40-1640Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 2221B?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 2221B?
2221B is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 2221B?
There are 8 known substitutes for 2221B: 675385, 94720, R2221B and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2221B?
2221B is cataloged in the U.S. Government catalog under NSN 3110-00-120-4337. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 2221B

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.