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PartsTable / COMPONENT / RY-177501 ITEM 9
RY-177501 ITEM 9 ✓ 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 NUT,PUMP,SHAFT is a the manufacturer industrial component. Key specifications include end_item_identification: WORTHINGTON PUMP MODEL NO. 5-LRVM-11.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-126-7393, 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
RY-177501 ITEM 9
NSN: 5310-01-126-7393
FSC: 5310
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
end_item_identificationWORTHINGTON PUMP MODEL NO. 5-LRVM-11
NSN5310-01-126-7393
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RY-177501 ITEM 9 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: NICKLE COPPER ALLOY,QQ-N-281-D,CLASS A,COLD DRAWN,STRESS RELIEVED;OVERALL WIDTH 1.562 IN.;OUTSIDE DIAMETER 1.625 IN.;FIRST END INSIDE DIAMETER 1.264 IN.;THREADED HOLE 2 PLACES 0.250-20UNC-2B;UNTHREADED HOLE 2 PLACES 0.281 IN. DIAMETER;FIRST END FIRST GROOVE DIAMETER 1.431 IN.,WIDTH 0.059 IN.;SECOND END COUNTERBORE DIAMETER 1.378 IN.,DEPTH 0.25 IN.;LEFT HAND THREADS 1.375-12UNF-2B IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONWORTHINGTON PUMP MODEL NO. 5-LRVM-11
GENERAL CHARACTERISTICS ITEM DESCRIPTIONNICKLE COPPER ALLOY,QQ-N-281-D,CLASS A,COLD DRAWN,STRESS RELIEVED;OVERALL WIDTH 1.562 IN.;OUTSIDE DIAMETER 1.625 IN.;FIRST END INSIDE DIAMETER 1.264 IN.;THREADED HOLE 2 PLACES 0.250-20UNC-2B;UNTHREADED HOLE 2 PLACES 0.281 IN. DIAMETER;FIRST END FIRST GROOVE DIAMETER 1.431 IN.,WIDTH 0.059 IN.;SECOND END COUNTERBORE DIAMETER 1.378 IN.,DEPTH 0.25 IN.;LEFT HAND THREADS 1.375-12UNF-2B IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
8713442Interchangeable
interchangeable cross-reference
interchangeable
10863Interchangeable
interchangeable cross-reference
interchangeable
577R554H03Interchangeable
interchangeable cross-reference
interchangeable
16452-3Interchangeable
interchangeable cross-reference
interchangeable
C2020-3Interchangeable
interchangeable cross-reference
interchangeable
64464Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RY-177501 ITEM 9?
RY-177501 ITEM 9 is a NUT,PUMP,SHAFT.
What parts can replace RY-177501 ITEM 9?
There are 18 known substitutes for RY-177501 ITEM 9: 8713442, 10863, 577R554H03 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RY-177501 ITEM 9?
RY-177501 ITEM 9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-126-7393. 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