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BK-7772-SK — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BK-7772-SK: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-715-0637, 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
BK-7772-SK
NSN: 5310-01-715-0637
FSC: 5310 — Nuts and Washers
CAGE: 42280 — GARDNER DENVER NASH LLC DBA GARDNER DENVER ENGINEERED PRODUCTS GROUP DIV GARDNER DENVER NASH (USA)
SPECIFICATIONS
Part NumberBK-7772-SK
NSN5310-01-715-0637
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BK-7772-SK · 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
15-4045-PC-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
15-4045Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BK-7772-SK?
BK-7772-SK is a WASHER,FLAT.
What parts can replace BK-7772-SK?
There are 2 known substitutes for BK-7772-SK: 15-4045-PC-6, 15-4045. Substitute compatibility should be verified for your specific system.
What is the NSN for BK-7772-SK?
BK-7772-SK is cataloged in the U.S. Government catalog under NSN 5310-01-715-0637. This indicates validated use in U.S. government and defense supply chains.
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