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PartsTable / COMPONENT / AN500AD8-5
AN500AD8-5 ✓ 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: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, hole_diameter: 0.046 INCHES NOMINAL IN, thread_length: 0.250 INCHES MINIMUM AND 0.312 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 5305-00-043-5256, 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
AN500AD8-5
NSN: 5305-00-043-5256
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
hole_diameter0.046 INCHES NOMINAL IN
hole_quantity1
thread_length0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 316
fastener_length0.219 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
NSN5305-00-043-5256
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN500AD8-5 · 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 LENGTH: 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
HEAD DIAMETER: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
SCREW MATERIAL: STEEL COMP 302 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 316
•
HOLE QUANTITY: 1
•
HOLE DIAMETER: 0.046 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
FASTENER LENGTH: 0.219 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
HEAD DIAMETER0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 316
HOLE QUANTITY1
HOLE DIAMETER0.046 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES
NOMINAL THREAD DIAMETER0.164 INCHES IN
FASTENER LENGTH0.219 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
218095Interchangeable
interchangeable cross-reference
interchangeable
26-1126Interchangeable
interchangeable cross-reference
interchangeable
7405Interchangeable
interchangeable cross-reference
interchangeable
218.095Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN500AD8-5?
AN500AD8-5 is a SCREW,MACHINE.
What parts can replace AN500AD8-5?
There are 4 known substitutes for AN500AD8-5: 218095, 26-1126, 7405 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN500AD8-5?
AN500AD8-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-043-5256. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026