PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 503-106
503-106 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The HOUSING,FLYWHEEL is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 380-ALUMINUM,2.840 IN. SQUARE,1.625 IN.

THICK IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-145-7016, 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
503-106
NSN: 5305-00-145-7016
FSC: 5305
CAGE: 80049 — DEPARTMENT OF THE AIR FORCE (USA)
SPECIFICATIONS
general_characteristics_item_description380-ALUMINUM,2.840 IN. SQUARE,1.625 IN. THICK IN
NSN5305-00-145-7016
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 503-106 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
SCREW SURFACE TREATMENT: CADMIUM
•
THREAD CLASS: 3A A
•
HEAD DIAMETER: 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.050 INCHES NOMINAL IN
•
SCREW MATERIAL: STEEL COMP 8630
•
THREAD QUANTITY PER INCH: 24
•
HEAD HOLE CONFIGURATION STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SCREW SURFACE TREATMENTCADMIUM
THREAD CLASS3A A
HEAD DIAMETER0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
HOLE DIAMETER0.050 INCHES NOMINAL IN
SCREW MATERIALSTEEL COMP 8630
THREAD QUANTITY PER INCH24
HEAD HOLE CONFIGURATION STYLEROUND
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.198 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
AN503-10-6Interchangeable
interchangeable cross-reference
interchangeable
AN503-10-6CPInterchangeable
interchangeable cross-reference
interchangeable
M16WJ100Interchangeable
interchangeable cross-reference
interchangeable
2AN49Interchangeable
interchangeable cross-reference
interchangeable
503-106Interchangeable
interchangeable cross-reference
interchangeable
132374Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503-106?
503-106 is a HOUSING,FLYWHEEL.
What parts can replace 503-106?
There are 10 known substitutes for 503-106: AN503-10-6, AN503-10-6CP, M16WJ100 and 7 more. Substitute compatibility should be verified for your specific system.
Is 503-106 still available?
503-106 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