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BCP4018 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BCP4018: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. This part is cataloged in the U.S. Government catalog under NSN 5310-01-155-1905, 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
BCP4018
NSN: 5310-01-155-1905
FSC: 5310 — Nuts and Washers
CAGE: 3NNX8 — BRIGHTON CROMWELL LLC (USA)
SPECIFICATIONS
Part NumberBCP4018
NSN5310-01-155-1905
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BCP4018 · 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
SUBSTITUTES & CROSS-REFERENCES 2
37340Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
115303AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BCP4018?
BCP4018 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What parts can replace BCP4018?
There are 2 known substitutes for BCP4018: 37340, 115303A. Substitute compatibility should be verified for your specific system.
What is the NSN for BCP4018?
BCP4018 is cataloged in the U.S. Government catalog under NSN 5310-01-155-1905. This indicates validated use in U.S. government and defense supply chains.
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