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PartsTable / COMPONENT / 8440-15-F213 PIECE 3
8440-15-F213 PIECE 3 ✓ 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 hole_diameter: 0.312 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-121-8420, 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
8440-15-F213 PIECE 3
NSN: 5310-01-121-8420
FSC: 5310
CAGE: 44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
hole_diameter0.312 INCHES NOMINAL IN
NSN5310-01-121-8420
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8440-15-F213 PIECE 3 · 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
•
HOLE DIAMETER: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
BAC21X5Interchangeable
interchangeable cross-reference
interchangeable
0022-100Interchangeable
interchangeable cross-reference
interchangeable
CVC1462-5Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.19Interchangeable
interchangeable cross-reference
interchangeable
56771Interchangeable
interchangeable cross-reference
interchangeable
LD10-1000-0000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8440-15-F213 PIECE 3?
8440-15-F213 PIECE 3 is a WASHER,LOCK.
What parts can replace 8440-15-F213 PIECE 3?
There are 7 known substitutes for 8440-15-F213 PIECE 3: BAC21X5, 0022-100, CVC1462-5 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8440-15-F213 PIECE 3?
8440-15-F213 PIECE 3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-121-8420. 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