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503463 ✓ 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,WING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, nut_style: WING, thread_class: 2B, body_diameter: 0.812 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 1.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-197-6285, 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
503463
NSN: 5310-00-197-6285
FSC: 5310
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
nut_styleWING
thread_class2B
body_diameter0.812 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height1.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND
wing_spread_width2.312 INCHES NOMINAL IN
fabrication_methodFORGED
nominal_thread_size0.500 INCHES IN
thread_quantity_per_inch13
material_document_and_classificationQQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-197-6285
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 503463 · 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
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 13
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
WING SPREAD WIDTH: 2.312 INCHES NOMINAL IN
•
NUT STYLE: WING
•
MATERIAL: COPPER ALLOY 360 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13
NOMINAL THREAD SIZE0.500 INCHES IN
WING SPREAD WIDTH2.312 INCHES NOMINAL IN
NUT STYLEWING
MATERIALCOPPER ALLOY 360 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT STYLEWING
WING SPREAD WIDTH2.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
376997PC2Interchangeable
interchangeable cross-reference
interchangeable
29470Interchangeable
interchangeable cross-reference
interchangeable
FFN845Interchangeable
interchangeable cross-reference
interchangeable
43N12419Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503463?
503463 is a NUT,PLAIN,WING.
What parts can replace 503463?
There are 4 known substitutes for 503463: 376997PC2, 29470, FFN845 and 1 more. Substitute compatibility should be verified for your specific system.
Is 503463 still available?
503463 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