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PartsTable / COMPONENT / 503602-6
503602-6 ✓ 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 SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, thread_length: 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-354-6584, 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
503602-6
NSN: 5305-01-354-6584
FSC: 5305
CAGE: 20284 — AIMTRON SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
head_height0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
thread_length0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.406 INCHES NOMINAL IN
shoulder_length0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.121 INCHES MINIMUM AND 0.124 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
NSN5305-01-354-6584
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 503602-6 · 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
•
THREAD CLASS: 2A A
•
HEAD DIAMETER: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
INTERNAL DRIVE STYLE: SLOT
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
SHOULDER DIAMETER: 0.121 INCHES MINIMUM AND 0.124 INCHES MAXIMUM FIRST SHOULDER IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD QUANTITY PER INCH: 40
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
HEAD DIAMETER0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.112 INCHES IN
SHOULDER DIAMETER0.121 INCHES MINIMUM AND 0.124 INCHES MAXIMUM FIRST SHOULDER IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD QUANTITY PER INCH40
SURFACE TREATMENTPASSIVATE OVERALL
SHOULDER SHAPEROUND FIRST SHOULDER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
61020Interchangeable
interchangeable cross-reference
interchangeable
G423Interchangeable
interchangeable cross-reference
interchangeable
A3-28Interchangeable
interchangeable cross-reference
interchangeable
A3286-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503602-6?
503602-6 is a SCREW,SHOULDER.
What parts can replace 503602-6?
There are 4 known substitutes for 503602-6: 61020, G423, A3-28 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503602-6?
503602-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-354-6584. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026