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PartsTable / COMPONENT / 850-0025
850-0025 ✓ 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.188 INCHES NOMINAL IN, outside_diameter: 0.287 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.046 INCHES NOMINAL 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 5310-00-624-0442, 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
850-0025
NSN: 5310-00-624-0442
FSC: 5310
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.188 INCHES NOMINAL IN
outside_diameter0.287 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.046 INCHES NOMINAL IN
NSN5310-00-624-0442
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 850-0025 · 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
•
HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.287 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
MATERIAL THICKNESS: 0.046 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.188 INCHES NOMINAL IN
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.287 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
MATERIAL THICKNESS0.046 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
14-2BRInterchangeable
interchangeable cross-reference
interchangeable
P24XInterchangeable
interchangeable cross-reference
interchangeable
85025Interchangeable
interchangeable cross-reference
interchangeable
4416677Interchangeable
interchangeable cross-reference
interchangeable
4416677/75Q65Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 850-0025?
850-0025 is a WASHER,LOCK.
What parts can replace 850-0025?
There are 5 known substitutes for 850-0025: 14-2BR, P24X, 85025 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 850-0025?
850-0025 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-624-0442. 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