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Technical Data Sheet
PartsTable / COMPONENT / 40027700
40027700 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-101-8441, 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
40027700
NSN: 5310-01-101-8441
FSC: 5310
CAGE: 61080 — HATZ DIESEL OF AMERICA INC (USA)
SPECIFICATIONS
Part Number40027700
NSN5310-01-101-8441
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 40027700 · 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 7
GC501L212Interchangeable
interchangeable cross-reference
interchangeable
823-12Interchangeable
interchangeable cross-reference
interchangeable
UA212Interchangeable
interchangeable cross-reference
interchangeable
30-3075Interchangeable
interchangeable cross-reference
interchangeable
UG1185UInterchangeable
interchangeable cross-reference
interchangeable
50702FIG8-12-09Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40027700?
40027700 is a WASHER,FLAT.
What parts can replace 40027700?
There are 7 known substitutes for 40027700: GC501L212, 823-12, UA212 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40027700?
40027700 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-101-8441. 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