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PartsTable / COMPONENT / AN520-10R16
AN520-10R16 ✓ 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: PAN, head_height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN, thread_length: 0.938 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, screw_material: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-144-3823, 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
AN520-10R16
NSN: 5305-00-144-3823
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
head_stylePAN
head_height0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
thread_length0.938 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013
fastener_length1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
NSN5305-00-144-3823
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN520-10R16 · 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
•
HEAD DIAMETER: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
HEAD HEIGHT: 0.137 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
•
SCREW MATERIAL: STEEL COMP 1010
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
THREAD SERIES DESIGNATOR: UNF
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-671 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
THREAD LENGTH1.000 INCHES MINIMUM IN
HEAD HEIGHT0.137 INCHES NOMINAL IN
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
SCREW MATERIALSTEEL COMP 1010
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD SERIES DESIGNATORUNF
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-671 FED SPEC SINGLE MATERIAL RESPONSE
THREAD CLASS2A A
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
B4525-303-6Interchangeable
interchangeable cross-reference
interchangeable
19090ADXInterchangeable
interchangeable cross-reference
interchangeable
23-01191-059Interchangeable
interchangeable cross-reference
interchangeable
FFS92ANDTYPE3ANDSTYLE1CInterchangeable
Same NIIN cross-reference
interchangeable
10130265Interchangeable
Same NIIN cross-reference
interchangeable
1027300-10-16Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN520-10R16?
AN520-10R16 is a SCREW,MACHINE.
What parts can replace AN520-10R16?
There are 6 known substitutes for AN520-10R16: B4525-303-6, 19090ADX, 23-01191-059 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN520-10R16?
AN520-10R16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-144-3823. 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