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Technical Data Sheet
PartsTable / COMPONENT / 27040BTC
27040BTC ✓ 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 NUT,PLAIN,SQUARE is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-5606, 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
27040BTC
NSN: 5310-00-010-5606
FSC: 5310
CAGE: 06YZ5 — BADGER TRUCK AND AUTOMOTIVE GROUP, INC. (USA)
SPECIFICATIONS
Part Number27040BTC
NSN5310-00-010-5606
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 27040BTC · 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 18
105605Interchangeable
interchangeable cross-reference
interchangeable
105609Interchangeable
interchangeable cross-reference
interchangeable
FFB571TYPEB1Interchangeable
interchangeable cross-reference
interchangeable
105611Interchangeable
interchangeable cross-reference
interchangeable
125550Interchangeable
interchangeable cross-reference
interchangeable
140632Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27040BTC?
27040BTC is a NUT,PLAIN,SQUARE.
What parts can replace 27040BTC?
There are 18 known substitutes for 27040BTC: 105605, 105609, FFB571TYPEB1 and 15 more. Substitute compatibility should be verified for your specific system.
Is 27040BTC still available?
27040BTC is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026