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PartsTable / COMPONENT / 20873N PC6
20873N PC6 ✓ 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: NICKEL OVERALL, material_document_and_classification: ASTM B164 CL A ASSN STD 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 5310-01-059-0268, 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
20873N PC6
NSN: 5310-01-059-0268
FSC: 5310
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL OVERALL
material_document_and_classificationASTM B164 CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-059-0268
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20873N PC6 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B164 CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: NICKEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
31310Interchangeable
interchangeable cross-reference
interchangeable
322235Interchangeable
interchangeable cross-reference
interchangeable
R4303SInterchangeable
interchangeable cross-reference
interchangeable
8962Interchangeable
interchangeable cross-reference
interchangeable
357Interchangeable
interchangeable cross-reference
interchangeable
221168Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20873N PC6?
20873N PC6 is a WASHER,LOCK.
What parts can replace 20873N PC6?
There are 16 known substitutes for 20873N PC6: 31310, 322235, R4303S and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20873N PC6?
20873N PC6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-059-0268. 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