PartsTable
Technical Data Sheet
Download PDF

6530-21-255-2102 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

6530-21-255-2102: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 302, first_leg_angle: 90.0 DEGREES NOMINAL, first_leg_style: SQUARE, first_leg_width: 0.750 INCHES NOMINAL IN, first_leg_length: 2.180 INCHES NOMINAL IN, second_leg_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-447-3284, 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
6530-21-255-2102
NSN: 3120-01-447-3284
NIINs: 014473284, 015225105
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 302
first_leg_angle90.0 DEGREES NOMINAL
first_leg_styleSQUARE
first_leg_width0.750 INCHES NOMINAL IN
first_leg_length2.180 INCHES NOMINAL IN
second_leg_styleSQUARE
second_leg_width0.750 INCHES NOMINAL IN
style_designatorANGLE
second_leg_length2.560 INCHES NOMINAL IN
first_leg_thickness0.063 INCHES NOMINAL IN
second_leg_thickness0.063 INCHES NOMINAL IN
end_item_identificationCH53GS HELICOPETER
NSN3120-01-447-3284
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 6530-21-255-2102 · OEM ⚠ 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
SUBSTITUTES & CROSS-REFERENCES 1
S10-T630-A ITEM 26Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 6530-21-255-2102?
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 6530-21-255-2102?
6530-21-255-2102 is a BUSHING,SLEEVE.
What parts can replace 6530-21-255-2102?
There is 1 known substitute for 6530-21-255-2102: S10-T630-A ITEM 26. Substitute compatibility should be verified for your specific system.
What is the NSN for 6530-21-255-2102?
6530-21-255-2102 is cataloged in the U.S. Government catalog under NSN 3120-01-447-3284. 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 — 6530-21-255-2102

✓ 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.