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PartsTable / COMPONENT / X74221 PIECE 11
X74221 PIECE 11 ✓ 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 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-114-0878, 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
X74221 PIECE 11
NSN: 5310-01-114-0878
FSC: 5310
CAGE: 97370 — SPX FLOW US, LLC DBA SPX VALVES & CONTROLS (USA)
SPECIFICATIONS
Part NumberX74221 PIECE 11
NSN5310-01-114-0878
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: X74221 PIECE 11 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
13070-2AInterchangeable
interchangeable cross-reference
interchangeable
LC13070Interchangeable
interchangeable cross-reference
interchangeable
6727Interchangeable
interchangeable cross-reference
interchangeable
OWE-7Interchangeable
interchangeable cross-reference
interchangeable
100Interchangeable
interchangeable cross-reference
interchangeable
1377-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X74221 PIECE 11?
X74221 PIECE 11 is a WASHER.
What parts can replace X74221 PIECE 11?
There are 11 known substitutes for X74221 PIECE 11: 13070-2A, LC13070, 6727 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X74221 PIECE 11?
X74221 PIECE 11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-114-0878. 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