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PartsTable / COMPONENT / AN500C4-8
AN500C4-8 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN, thread_length: 0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, screw_material: STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 430 OR STEEL COMP 302. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-180-1455, 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
AN500C4-8
NSN: 5305-00-180-1455
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
thread_length0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
screw_materialSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 430 OR STEEL COMP 302
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch40
NSN5305-00-180-1455
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN500C4-8 · 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
•
SCREW SURFACE TREATMENT: PASSIVATE
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
HEAD HEIGHT: 0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
THREAD CLASS: 2A A
•
HEAD STYLE: FILLISTER
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD LENGTH: 0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SCREW SURFACE TREATMENTPASSIVATE
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD HEIGHT0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
THREAD CLASS2A A
HEAD STYLEFILLISTER
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SCREW MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 430 OR STEEL COMP 302
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 3RD MATERIAL RESPONSE OR QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
T3079-2AInterchangeable
interchangeable cross-reference
interchangeable
5M412Interchangeable
interchangeable cross-reference
interchangeable
10041Interchangeable
interchangeable cross-reference
interchangeable
22426Interchangeable
interchangeable cross-reference
interchangeable
022426Interchangeable
interchangeable cross-reference
interchangeable
9145-409Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN500C4-8?
AN500C4-8 is a SCREW,MACHINE.
What parts can replace AN500C4-8?
There are 11 known substitutes for AN500C4-8: T3079-2A, 5M412, 10041 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN500C4-8?
AN500C4-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-180-1455. 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