PartsTable
Technical Data Sheet
A-6503 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 268 OVERALL, thickness: 0.016 INCHES NOMINAL IN, body_length: 0.230 INCHES NOMINAL IN, hole_diameter: 0.140 INCHES NOMINAL IN, turn_quantity: 3 SINGLE COMPONENT SINGLE WINDING, coil_form_type: SOLID SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-262-2998, 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
A-6503
NSN: 5310-00-262-2998
FSC: 5310
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 268 OVERALL
thickness0.016 INCHES NOMINAL IN
body_length0.230 INCHES NOMINAL IN
hole_diameter0.140 INCHES NOMINAL IN
turn_quantity3 SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeOPEN
mounting_methodTERMINAL SINGLE GROUP
overall_diameter0.281 INCHES NOMINAL IN
inductance_rating0.027 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
body_outside_diameter0.132 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
NSN5310-00-262-2998
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A-6503 · 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
MATERIAL: COPPER ALLOY 268 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLE: ROUND
OVERALL DIAMETER: 0.281 INCHES NOMINAL IN
HOLE DIAMETER: 0.140 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLE: ROUND
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
THICKNESS: 0.016 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 268 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.281 INCHES NOMINAL IN
HOLE DIAMETER0.140 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.016 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
U4WE10Interchangeable
interchangeable cross-reference
interchangeable
W1012Interchangeable
interchangeable cross-reference
interchangeable
24044AInterchangeable
interchangeable cross-reference
interchangeable
A-6503Interchangeable
interchangeable cross-reference
interchangeable
SM-B-698129Interchangeable
interchangeable cross-reference
interchangeable
260-800054-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-6503?
A-6503 is a COIL,RADIO FREQUENCY.
What parts can replace A-6503?
There are 12 known substitutes for A-6503: U4WE10, W1012, 24044A and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-6503?
A-6503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-262-2998. This indicates validated use in U.S. government and defense supply chains.
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