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PartsTable / COMPONENT / 21710N PIECE 82
21710N PIECE 82 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE PMP GOV. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-314-1431, 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
21710N PIECE 82
NSN: 5310-01-314-1431
FSC: 5310
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
end_item_identificationVALVE PMP GOV
NSN5310-01-314-1431
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21710N PIECE 82 · 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 (FLIS)
END ITEM IDENTIFICATIONVALVE PMP GOV
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
12829Interchangeable
interchangeable cross-reference
interchangeable
CXA2835AInterchangeable
interchangeable cross-reference
interchangeable
101A9Interchangeable
interchangeable cross-reference
interchangeable
WW13-14-9Interchangeable
interchangeable cross-reference
interchangeable
HR42-9Interchangeable
interchangeable cross-reference
interchangeable
373219-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21710N PIECE 82?
21710N PIECE 82 is a WASHER,FLAT.
What parts can replace 21710N PIECE 82?
There are 12 known substitutes for 21710N PIECE 82: 12829, CXA2835A, 101A9 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21710N PIECE 82?
21710N PIECE 82 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-314-1431. 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