PartsTable
Technical Data Sheet
PartsTable / MRO / 1800-52
1800-52 ✓ Verified by PartsTable
Hama · 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

DUST COVER,PROFILE GRIP AND ADAP. Key specifications include material: STEEL, bore_type: STRAIGHT, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, face_width: 0.284 INCHES NOMINAL IN, bore_length: 1.950 INCHES NOMINAL IN, design_form: PLAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-052-8226, 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→ 1800-52
NSN: 3120-00-052-8226
FSC: 3120
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL
bore_typeSTRAIGHT
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
face_width0.284 INCHES NOMINAL IN
bore_length1.950 INCHES NOMINAL IN
design_formPLAIN
tooth_pitch0.500 INCHES NOMINAL IN
corner_shapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
flange_width0.1250 INCHES NOMINAL IN
bore_diameter2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN
coil_quantity25
hole_locationTHRU BB HUB
NSN3120-00-052-8226
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1800-52 · Hama ⚠ 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
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
CORNER SHAPE: SQUARE INSIDE LEFT CORNER
•
MATERIAL: STEEL COMP 416 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
MATERIALSTEEL COMP 416 OVERALL
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
BODY INSIDE DIAMETER0.2520 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM IN
FLANGE WIDTH0.1250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
180052Interchangeable
interchangeable cross-reference
interchangeable
66746Interchangeable
interchangeable cross-reference
interchangeable
99E17Interchangeable
interchangeable cross-reference
interchangeable
19A922Interchangeable
interchangeable cross-reference
interchangeable
18005Interchangeable
interchangeable cross-reference
interchangeable
13101238-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1800-52?
1800-52 is a DUST COVER,PROFILE GRIP AND ADAP manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1800-52?
There are 9 known substitutes for 1800-52: 180052, 66746, 99E17 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1800-52?
1800-52 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-052-8226. 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