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PartsTable / COMPONENT / 21RVNL172AX1-203-06
21RVNL172AX1-203-06 ✓ 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: 0.562 INCHES NOMINAL IN, outside_diameter: 0.812 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.094 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 5310-00-155-4935, 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
21RVNL172AX1-203-06
NSN: 5310-00-155-4935
FSC: 5310
CAGE: 88032 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.562 INCHES NOMINAL IN
outside_diameter0.812 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.094 INCHES NOMINAL IN
NSN5310-00-155-4935
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21RVNL172AX1-203-06 · 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
•
OUTSIDE DIAMETER: 0.812 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL THICKNESS: 0.094 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.812 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL THICKNESS0.094 INCHES NOMINAL IN
HOLE DIAMETER0.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
GGG-T-581Interchangeable
interchangeable cross-reference
interchangeable
A-A-364Interchangeable
interchangeable cross-reference
interchangeable
B94.9Interchangeable
interchangeable cross-reference
interchangeable
547813Interchangeable
interchangeable cross-reference
interchangeable
14115Interchangeable
interchangeable cross-reference
interchangeable
A14115Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21RVNL172AX1-203-06?
21RVNL172AX1-203-06 is a WASHER,LOCK.
What parts can replace 21RVNL172AX1-203-06?
There are 10 known substitutes for 21RVNL172AX1-203-06: GGG-T-581, A-A-364, B94.9 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21RVNL172AX1-203-06?
21RVNL172AX1-203-06 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-155-4935. 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