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Technical Data Sheet
PartsTable / COMPONENT / 10B20
10B20 ✓ 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 BLANK is a the manufacturer industrial component. Key specifications include material: ZINC ALLOY OVERALL, body_diameter: 0.625 INCHES NOMINAL IN, overall_height: 0.950 INCHES NOMINAL IN, special_features: DIE CAST FABRICATION, wing_spread_width: 1.880 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-496-4182, 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
10B20
NSN: 5310-00-496-4182
FSC: 5310
CAGE: 00736 — FALLS FILTRATION TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialZINC ALLOY OVERALL
body_diameter0.625 INCHES NOMINAL IN
overall_height0.950 INCHES NOMINAL IN
special_featuresDIE CAST FABRICATION
wing_spread_width1.880 INCHES NOMINAL IN
NSN5310-00-496-4182
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10B20 · 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
•
BODY DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: ZINC ALLOY OVERALL
•
WING SPREAD WIDTH: 1.880 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY DIAMETER0.625 INCHES NOMINAL IN
MATERIALZINC ALLOY OVERALL
SPECIAL FEATURESDIE CAST FABRICATION
WING SPREAD WIDTH1.880 INCHES NOMINAL IN
OVERALL HEIGHT0.950 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
L15Interchangeable
interchangeable cross-reference
interchangeable
AR15Interchangeable
interchangeable cross-reference
interchangeable
62500Interchangeable
Rifle,5.56 Millimeter
interchangeable
8448600Interchangeable
Rifle,5.56 Millimeter
interchangeable
SCDL621033Interchangeable
interchangeable cross-reference
interchangeable
RC453GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10B20?
10B20 is a NUT BLANK.
What parts can replace 10B20?
There are 7 known substitutes for 10B20: L15, AR15, 62500 and 4 more. Substitute compatibility should be verified for your specific system.
Is 10B20 still available?
10B20 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