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PartsTable / COMPONENT / AC500AC4-5
AC500AC4-5 ✓ 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, hole_diameter: 0.037 INCHES NOMINAL IN, thread_length: 0.262 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-282-4342, 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
AC500AC4-5
NSN: 5305-00-282-4342
FSC: 5305
CAGE: 80049 — DEPARTMENT OF THE 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
hole_diameter0.037 INCHES NOMINAL IN
hole_quantity1
thread_length0.262 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
screw_materialSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 430 OR STEEL COMP 302
fastener_length0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.112 INCHES IN
NSN5305-00-282-4342
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AC500AC4-5 · 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 SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
FASTENER LENGTH: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
SCREW MATERIAL: STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 430 OR STEEL COMP 302
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD HOLE CONFIGURATION STYLE: ROUND
•
HEAD DIAMETER: 0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
FASTENER LENGTH0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
SCREW MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 430 OR STEEL COMP 302
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD DIRECTIONRIGHT-HAND
HEAD HOLE CONFIGURATION STYLEROUND
HEAD DIAMETER0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
HOLE DIAMETER0.037 INCHES NOMINAL IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
HU25Interchangeable
interchangeable cross-reference
interchangeable
22569Interchangeable
interchangeable cross-reference
interchangeable
PA5670Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
BAC1503-7672Interchangeable
interchangeable cross-reference
interchangeable
2-02569Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AC500AC4-5?
AC500AC4-5 is a SCREW,MACHINE.
What parts can replace AC500AC4-5?
There are 15 known substitutes for AC500AC4-5: HU25, 22569, PA5670 and 12 more. Substitute compatibility should be verified for your specific system.
Is AC500AC4-5 still available?
AC500AC4-5 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