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Technical Data Sheet
PartsTable / COMPONENT / FF838-1
FF838-1 ✓ 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 SWITCH,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE INSIDE RIGHT CORNER, flange_width: 0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN, overall_length: 0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.7500 INCHES MINIMUM AND 0.7510 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 3120-00-572-2528, 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
FF838-1
NSN: 3120-00-572-2528
FSC: 3120
CAGE: 70417 — CHRYSLER CORP AMPLEX DIV (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE INSIDE RIGHT CORNER
flange_width0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
overall_length0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
body_outside_diameter0.8760 INCHES MINIMUM AND 0.8770 INCHES MAXIMUM IN
flange_outside_diameter0.9975 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND B COMPOSITION
departure_from_cited_documentBODY OD MODIFIED,BODY ID MODIFIED,O/A LG,FLANGE OD,AND FLANGE WIDTH MODIFIED
material_document_and_classificationMIL-B-5687,TY 1,COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-572-2528
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: FF838-1 · 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
•
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
MATERIALCOPPER ALLOY OVERALL
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
MATERIALOIL LUBRICATING LUBRICATION
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER0.9975 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
K9757513PT8Interchangeable
interchangeable cross-reference
interchangeable
199074Interchangeable
interchangeable cross-reference
interchangeable
89-6-5557REVAInterchangeable
interchangeable cross-reference
interchangeable
Y1037-55Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF838-1?
FF838-1 is a SWITCH,CODE INDICATING WHEEL.
What parts can replace FF838-1?
There are 4 known substitutes for FF838-1: K9757513PT8, 199074, 89-6-5557REVA and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF838-1?
FF838-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-572-2528. 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