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PartsTable / COMPONENT / AN520-0-2
AN520-0-2 ✓ 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: ROUND, head_height: 0.053 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.099 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN, thread_length: 0.125 INCHES MAXIMUM IN, screw_material: STEEL OR STEEL COMP 1010. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-151-3595, 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
AN520-0-2
NSN: 5305-00-151-3595
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
head_styleROUND
head_height0.053 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.099 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
thread_length0.125 INCHES MAXIMUM IN
screw_materialSTEEL OR STEEL COMP 1010
fastener_length0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.060 INCHES IN
screw_surface_treatmentCADMIUM
minimum_tensile_strength55000 POUNDS PER SQUARE INCH LBS
NSN5305-00-151-3595
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN520-0-2 · 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
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE
•
HEAD STYLE: ROUND
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
HEAD HEIGHT: 0.053 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.060 INCHES IN
•
THREAD LENGTH: 0.125 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE
HEAD STYLEROUND
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD HEIGHT0.053 INCHES MAXIMUM IN
FASTENER LENGTH0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.060 INCHES IN
THREAD LENGTH0.125 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH80
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
902040K1Interchangeable
interchangeable cross-reference
interchangeable
6331Interchangeable
interchangeable cross-reference
interchangeable
AN515-8-5Interchangeable
interchangeable cross-reference
interchangeable
6105Interchangeable
interchangeable cross-reference
interchangeable
FFS92ANDTYPE1STYLE1SInterchangeable
interchangeable cross-reference
interchangeable
AN515-2-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN520-0-2?
AN520-0-2 is a SCREW,MACHINE.
What parts can replace AN520-0-2?
There are 12 known substitutes for AN520-0-2: 902040K1, 6331, AN515-8-5 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN520-0-2?
AN520-0-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-151-3595. 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