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PartsTable / COMPONENT / R-763 PIECE 10
R-763 PIECE 10 ✓ 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,PLAIN,CAP is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, thread_direction: LEFT-HAND, material_document_and_classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-233-7780, 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
R-763 PIECE 10
NSN: 5310-01-233-7780
FSC: 5310
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
thread_directionLEFT-HAND
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-233-7780
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R-763 PIECE 10 · 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
•
THREAD DIRECTION: LEFT-HAND
•
MATERIAL: NICKEL ALLOY 400 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONLEFT-HAND
MATERIALNICKEL ALLOY 400 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
3AB12Interchangeable
interchangeable cross-reference
interchangeable
412197Interchangeable
interchangeable cross-reference
interchangeable
5920PL1297614Interchangeable
interchangeable cross-reference
interchangeable
1281446Interchangeable
interchangeable cross-reference
interchangeable
RCJC1Interchangeable
interchangeable cross-reference
interchangeable
06948-5FInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R-763 PIECE 10?
R-763 PIECE 10 is a NUT,PLAIN,CAP.
What parts can replace R-763 PIECE 10?
There are 10 known substitutes for R-763 PIECE 10: 3AB12, 412197, 5920PL1297614 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R-763 PIECE 10?
R-763 PIECE 10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-233-7780. 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