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RY-170835 ITEM 9 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

RY-170835 ITEM 9: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include special_features: MATERIAL CONFORMS TO ASTM A 296, end_item_identification: 11/2X1X6,D1021 MOMOBLOC PUMP. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-083-3918, 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-170835 ITEM 9
NSN: 5310-01-083-3918
FSC: 5310 — Nuts and Washers
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
special_featuresMATERIAL CONFORMS TO ASTM A 296
end_item_identification11/2X1X6,D1021 MOMOBLOC PUMP
NSN5310-01-083-3918
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RY-170835 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATERIAL CONFORMS TO ASTM A 296
END ITEM IDENTIFICATION11/2X1X6,D1021 MOMOBLOC PUMP
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
390033-01Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RY-170835 ITEM 9?
RY-170835 ITEM 9 is a WASHER,LOCK.
What parts can replace RY-170835 ITEM 9?
There is 1 known substitute for RY-170835 ITEM 9: 390033-01. Substitute compatibility should be verified for your specific system.
What is the NSN for RY-170835 ITEM 9?
RY-170835 ITEM 9 is cataloged in the U.S. Government catalog under NSN 5310-01-083-3918. 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.