PartsTable
Technical Data Sheet
MA367 21-011 ✓ 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,CONCAVE 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 5310-01-290-2219, 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
MA367 21-011
NSN: 5310-01-290-2219
FSC: 5310
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
Part NumberMA367 21-011
NSN5310-01-290-2219
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MA367 21-011 · 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 15
A5000Interchangeable
interchangeable cross-reference
interchangeable
122-6722635 PC 37Interchangeable
interchangeable cross-reference
interchangeable
191758Interchangeable
interchangeable cross-reference
interchangeable
6041H139Interchangeable
interchangeable cross-reference
interchangeable
32424AInterchangeable
interchangeable cross-reference
interchangeable
2700Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MA367 21-011?
MA367 21-011 is a WASHER,CONCAVE.
What parts can replace MA367 21-011?
There are 15 known substitutes for MA367 21-011: A5000, 122-6722635 PC 37, 191758 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MA367 21-011?
MA367 21-011 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-290-2219. This indicates validated use in U.S. government and defense supply chains.
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