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X2138 — RESISTOR,FIXED,COMPOSITION

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

X2138: RESISTOR,FIXED,COMPOSITION.

The RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_length: 4.500 INCHES NOMINAL IN, body_diameter: 0.750 INCHES NOMINAL IN, inclosure_type: ENCAPSULATED, style_designator: AXIAL TERMINAL EACH END, electrical_resistance: 3.300 MEGOHMS. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-6184, 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→ X2138
NSN: 3110-00-100-6184
NIINs: 001006184, 008728636, 009191908
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 79410 — LIBERTY VENTURES INTI, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_length4.500 INCHES NOMINAL IN
body_diameter0.750 INCHES NOMINAL IN
inclosure_typeENCAPSULATED
style_designatorAXIAL TERMINAL EACH END
electrical_resistance3.300 MEGOHMS
reliability_indicatorNOT ESTABLISHED
rolling_element_diameter0.4375 INCHES NOMINAL IN
precious_material_and_locationEND SURFACES SILVER
standard_tolerance_designationAFBMA STD TOLERANCE FOR BALLS, GRADE 50
resistance_tolerance_in_percent-15.000 TO 15.000
ambient_temp_at_full_rated_power25.0 CELSIUS DEGC
NSN3110-00-100-6184
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: X2138 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
ROLLING ELEMENT DIAMETER: 0.4375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR BALLS, GRADE 50
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER0.4375 INCHES NOMINAL IN
STYLE DESIGNATORBALL
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR BALLS, GRADE 50
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
1898E57Reference document
Same NSN cross-reference
Reference document — Secondary reference
115451Reference document
Same NSN cross-reference
Reference document — Secondary reference
P1778Reference document
Same NSN cross-reference
Reference document — Secondary reference
104921Reference document
Same NSN cross-reference
Reference document — Secondary reference
266807Reference document
Same NSN cross-reference
Reference document — Secondary reference
LL313-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is X2138?
X2138 is a RESISTOR,FIXED,COMPOSITION. It is classified as a MRO (MRO_GENERAL).
What parts can replace X2138?
There are 9 known substitutes for X2138: 1898E57, 115451, P1778 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X2138?
X2138 is cataloged in the U.S. Government catalog under NSN 3110-00-100-6184. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.