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21-423 — CAPACITOR,FIXED,PLASTIC DIELECTR

✓ Government record, cited
Trust · BALL BEARING
PRODUCT OVERVIEW

21-423: CAPACITOR,FIXED,PLASTIC DIELECTR.

Comfortable kids headphone with hearing protection, for smartphones, tablets and laptops. Key specifications include material: CERAMIC INSULATOR, body_style: THREADED BUSHING MOUNTED, body_length: 0.630 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, thread_class: 2A A, terminal_type: TURRET. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-035-6901, 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
21-423
NSN: 3120-00-035-6901
NIINs: 000356901, 001187864, 001265711, 001814423, 013562982
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
materialCERAMIC INSULATOR
body_styleTHREADED BUSHING MOUNTED
body_length0.630 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
thread_class2A A
terminal_typeTURRET
overall_length0.880 INCHES NOMINAL IN
keyway_dimension0.1750 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM EXTERNAL KEYWAY WIDTH IN
overall_diameter0.310 INCHES NOMINAL IN
style_designatorSEGMENTED, PLAIN, NO OUTSIDE FLANGES
thread_directionRIGHT-HAND
precious_materialGOLD
NSN3120-00-035-6901
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 21-423 · Trust ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 2.9010 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SEGMENTED, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 2.1510 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
KEYWAY DIMENSION: 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM EXTERNAL KEYWAY DEPTH 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
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER2.9010 INCHES NOMINAL IN
STYLE DESIGNATORSEGMENTED, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.2380 INCHES MINIMUM AND 1.2480 INCHES MAXIMUM IN
BODY INSIDE DIAMETER2.1510 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
KEYWAY DIMENSION0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM EXTERNAL KEYWAY DEPTH IN
KEYWAY DIMENSION0.1750 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM EXTERNAL KEYWAY WIDTH IN
KEYWAY DIMENSION0.2180 INCHES NOMINAL EXTERNAL KEYWAY LENGTH IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21-423?
21-423 is a CAPACITOR,FIXED,PLASTIC DIELECTR manufactured by Trust.
What is the NSN for 21-423?
21-423 is cataloged in the U.S. Government catalog under NSN 3120-00-035-6901. This indicates validated use in U.S. government and defense supply chains.
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