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Technical Data Sheet
PartsTable / COMPONENT / 1021053-1
1021053-1 ✓ Verified by PartsTable
— · BALL BEARING
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 RESISTOR NETWORK,FIXED,FILM is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.0800 INCHES MINIMUM AND 1.1100 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.1865 INCHES MINIMUM AND 0.2065 INCHES MAXIMUM IN, body_outside_diameter: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-555-5069, 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
1021053-1
NSN: 3120-00-555-5069
FSC: 3120
CAGE: 4J976 — REGAL AIR, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.0800 INCHES MINIMUM AND 1.1100 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.1865 INCHES MINIMUM AND 0.2065 INCHES MAXIMUM IN
body_outside_diameter0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
material_document_and_classificationMIL-T-6736,TY 1,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-555-5069
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1021053-1 · 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 OUTSIDE DIAMETER: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: STEEL COMP 4130 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-T-6736,TY 1,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY INSIDE DIAMETER: 0.1865 INCHES MINIMUM AND 0.2065 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALSTEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-6736,TY 1,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CORNER SHAPESQUARE ALL CORNERS
OVERALL LENGTH1.0800 INCHES MINIMUM AND 1.1100 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.1865 INCHES MINIMUM AND 0.2065 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1169Interchangeable
interchangeable cross-reference
interchangeable
MILA45168Interchangeable
interchangeable cross-reference
interchangeable
FED-STD-122Interchangeable
interchangeable cross-reference
interchangeable
2758011Interchangeable
interchangeable cross-reference
interchangeable
AGU50Interchangeable
interchangeable cross-reference
interchangeable
511050Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1021053-1?
1021053-1 is a RESISTOR NETWORK,FIXED,FILM.
What parts can replace 1021053-1?
There are 17 known substitutes for 1021053-1: 1169, MILA45168, FED-STD-122 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1021053-1?
1021053-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-555-5069. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026