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Technical Data Sheet
PartsTable / MRO / 1027A
1027A ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The CLUTCH HALF,POSITIVE,VEHICULAR is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 0.875 IN. DIA; 0.25 IN.

THK; MATERIAL HARD RUBBER IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-198-2242, 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→ 1027A
NSN: 3120-00-198-2242
FSC: 3120
CAGE: 96881 — THOMSON INDUSTRIES INC (USA)
SPECIFICATIONS
general_characteristics_item_description0.875 IN. DIA; 0.25 IN. THK; MATERIAL HARD RUBBER IN
NSN3120-00-198-2242
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1027A · 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
KEY FEATURES
•
BODY INSIDE DIAMETER: 0.7500 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.7500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBALL BUSHING
SPECIAL FEATURESRATED LOAD BASED ON A SHAFT HARDNESS OF ROCKWELL 60C, STATIC 162LBS, ROLLING 109LBS BASED ON TRAVEL LIFE OF 2 MILLION INCHES LBS
BODY OUTSIDE DIAMETER1.2500 INCHES NOMINAL IN
OVERALL LENGTH1.6100 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
10424405Interchangeable
interchangeable cross-reference
interchangeable
103323Interchangeable
interchangeable cross-reference
interchangeable
34809S2Interchangeable
interchangeable cross-reference
interchangeable
W-1050-HInterchangeable
interchangeable cross-reference
interchangeable
L-12-2561Interchangeable
interchangeable cross-reference
interchangeable
B18.3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1027A?
1027A is a CLUTCH HALF,POSITIVE,VEHICULAR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1027A?
There are 22 known substitutes for 1027A: 10424405, 103323, 34809S2 and 19 more. Substitute compatibility should be verified for your specific system.
Is 1027A still available?
1027A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026