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PartsTable / COMPONENT / 71975 PIECE 18
71975 PIECE 18 ✓ 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 BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.3750 INCHES NOMINAL IN, overall_length: 2.4375 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END, body_inside_diameter: 2.7500 INCHES NOMINAL 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 3120-01-202-2750, 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
71975 PIECE 18
NSN: 3120-01-202-2750
FSC: 3120
CAGE: 75545 — LAWLER MANUFACTURING COMPANY, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.3750 INCHES NOMINAL IN
overall_length2.4375 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
body_inside_diameter2.7500 INCHES NOMINAL IN
body_outside_diameter3.3750 INCHES NOMINAL IN
flange_outside_diameter4.2480 INCHES MINIMUM AND 4.2500 INCHES MAXIMUM IN
left_internal_flange_width0.2480 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
left_internal_flange_hole_diameter2.7500 INCHES MINIMUM AND 2.7520 INCHES MAXIMUM IN
material_document_and_classificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-202-2750
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 71975 PIECE 18 · 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
•
FLANGE WIDTH: 0.3750 INCHES NOMINAL IN
•
LEFT INTERNAL FLANGE WIDTH: 0.2480 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 922 OVERALL
•
BODY OUTSIDE DIAMETER: 3.3750 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
FLANGE OUTSIDE DIAMETER: 4.2480 INCHES MINIMUM AND 4.2500 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 2.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.4375 INCHES NOMINAL IN
FLANGE WIDTH0.3750 INCHES NOMINAL IN
LEFT INTERNAL FLANGE WIDTH0.2480 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 922 OVERALL
BODY OUTSIDE DIAMETER3.3750 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER4.2480 INCHES MINIMUM AND 4.2500 INCHES MAXIMUM IN
BODY INSIDE DIAMETER2.7500 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
1569Interchangeable
interchangeable cross-reference
interchangeable
C5NN-7B155-AInterchangeable
interchangeable cross-reference
interchangeable
201569Interchangeable
interchangeable cross-reference
interchangeable
HP3400Interchangeable
interchangeable cross-reference
interchangeable
MS51800-5Interchangeable
interchangeable cross-reference
interchangeable
DWG5120-00-239-0035Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 71975 PIECE 18?
71975 PIECE 18 is a BUSHING,SLEEVE.
What parts can replace 71975 PIECE 18?
There are 15 known substitutes for 71975 PIECE 18: 1569, C5NN-7B155-A, 201569 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71975 PIECE 18?
71975 PIECE 18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-202-2750. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026