PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 204-040-170-5
204-040-170-5 ✓ 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

FILTER-AMPLIFIER,RADIO FREQUENCY. Key specifications include material: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE RIGHT FLANGE OUTSIDE LEFT CORNER, hole_diameter: 0.3740 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM FIRST IN, overall_length: 0.8900 INCHES MINIMUM AND 0.8940 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF LEFT FLANGE, style_designator: SOLID, EXTERNAL FLANGES BOTH ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-439-8473, 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
204-040-170-5
NSN: 3120-00-439-8473
FSC: 3120
CAGE: 97499 — BELL TEXTRON INC (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE RIGHT FLANGE OUTSIDE LEFT CORNER
hole_diameter0.3740 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM FIRST IN
overall_length0.8900 INCHES MINIMUM AND 0.8940 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF LEFT FLANGE
style_designatorSOLID, EXTERNAL FLANGES BOTH ENDS
left_flange_width0.0600 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
surface_treatmentOXIDE OVERALL
right_flange_width0.0600 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
body_inside_diameter1.5720 INCHES MINIMUM AND 1.5750 INCHES MAXIMUM IN
body_outside_diameter1.6900 INCHES MINIMUM AND 1.7100 INCHES MAXIMUM IN
left_flange_outside_diameter1.8150 INCHES MINIMUM AND 1.8350 INCHES MAXIMUM IN
NSN3120-00-439-8473
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 204-040-170-5 · 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: ROUND LEFT FLANGE BODY CORNER
•
SURFACE FINISH: 40.0 MICROINCHES RIGHT END SURFACE OF BODY AND FLANGE
•
RIGHT FLANGE OUTSIDE DIAMETER: 1.8150 INCHES MINIMUM AND 1.8350 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGES BOTH ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPEROUND LEFT FLANGE BODY CORNER
SURFACE FINISH40.0 MICROINCHES RIGHT END SURFACE OF BODY AND FLANGE
CORNER SHAPESQUARE RIGHT FLANGE OUTSIDE LEFT CORNER
RIGHT FLANGE OUTSIDE DIAMETER1.8150 INCHES MINIMUM AND 1.8350 INCHES MAXIMUM IN
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPEROUND RIGHT FLANGE BODY CORNER
STYLE DESIGNATORSOLID, EXTERNAL FLANGES BOTH ENDS
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF RIGHT FLANGE
MATERIALSTEEL COMP 4130 OVERALL
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2098Interchangeable
interchangeable cross-reference
interchangeable
070-2098-1AInterchangeable
interchangeable cross-reference
interchangeable
247ASC1925-001Interchangeable
interchangeable cross-reference
interchangeable
C377Interchangeable
interchangeable cross-reference
interchangeable
5307MInterchangeable
interchangeable cross-reference
interchangeable
140458Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 204-040-170-5?
204-040-170-5 is a FILTER-AMPLIFIER,RADIO FREQUENCY.
What parts can replace 204-040-170-5?
There are 15 known substitutes for 204-040-170-5: 2098, 070-2098-1A, 247ASC1925-001 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 204-040-170-5?
204-040-170-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-439-8473. 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