PartsTable
Technical Data Sheet
91281 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The TURBINE BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: MACHINED HALF LOOP BOTH ENDS, design_type: OPEN, hook_radius: 0.188 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 9-1/2, opening_width: 0.125 INCHES NOMINAL BOTH ENDS 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 5315-00-241-7463, 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
91281
NSN: 5315-00-241-7463
FSC: 5315
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleMACHINED HALF LOOP BOTH ENDS
design_typeOPEN
hook_radius0.188 INCHES NOMINAL BOTH ENDS IN
coil_quantity9-1/2
opening_width0.125 INCHES NOMINAL BOTH ENDS IN
inside_diameter0.311 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentNICKEL OVERALL
spring_free_length0.689 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter0.375 INCHES NOMINAL IN
NSN5315-00-241-7463
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91281 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
PIN OVERALL DIAMETER: 0.1866 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN
MATERIAL: STEEL OVERALL
PIN OVERALL LENGTH: 1.344 INCHES NOMINAL IN
FIRST END STYLE: SQUARE
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL DIAMETER0.1866 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
PIN OVERALL LENGTH1.344 INCHES NOMINAL IN
FIRST END STYLESQUARE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
91281Interchangeable
interchangeable cross-reference
interchangeable
9128Interchangeable
interchangeable cross-reference
interchangeable
8004747G1Interchangeable
interchangeable cross-reference
interchangeable
4730PL1989460Interchangeable
interchangeable cross-reference
interchangeable
WWD26-34Interchangeable
interchangeable cross-reference
interchangeable
10108437Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91281?
91281 is a TURBINE BEARING.
What parts can replace 91281?
There are 11 known substitutes for 91281: 91281, 9128, 8004747G1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91281?
91281 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-241-7463. This indicates validated use in U.S. government and defense supply chains.
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