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B566-211 — NUT,ADJUSTING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B566-211: NUT,ADJUSTING.

The NUT,ADJUSTING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-896-6499, 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
B566-211
NSN: 5310-00-896-6499
FSC: 5310 — Nuts and Washers
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES,QQ-S-766,CL 304,COND A; 1.358 IN. O/A DIA.,1.062 IN. W ACROSS FLATTED SIDES,CENTER HOLE,4 SLOTTED HOLES; 0.125 IN. O/A THK IN
NSN5310-00-896-6499
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B566-211 · 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
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES,QQ-S-766,CL 304,COND A; 1.358 IN. O/A DIA.,1.062 IN. W ACROSS FLATTED SIDES,CENTER HOLE,4 SLOTTED HOLES; 0.125 IN. O/A THK IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES,QQ-S-766,CL 304,COND A; 1.358 IN. O/A DIA.,1.062 IN. W ACROSS FLATTED SIDES,CENTER HOLE,4 SLOTTED HOLES; 0.125 IN. O/A THK IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
566B004847Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B566-211?
B566-211 is a NUT,ADJUSTING.
What parts can replace B566-211?
There is 1 known substitute for B566-211: 566B004847. Substitute compatibility should be verified for your specific system.
What is the NSN for B566-211?
B566-211 is cataloged in the U.S. Government catalog under NSN 5310-00-896-6499. This indicates validated use in U.S. government and defense supply chains.
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