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PartsTable / COMPONENT / AN520-8-7
AN520-8-7 ✓ 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: 0.120 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN, thread_length: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN, screw_material: STEEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-151-1578, 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
AN520-8-7
NSN: 5305-00-151-1578
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
head_styleROUND
head_height0.120 INCHES NOMINAL IN
thread_class2A A
head_diameter0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
thread_length0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM
minimum_tensile_strength55000 POUNDS PER SQUARE INCH LBS
NSN5305-00-151-1578
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN520-8-7 · 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 QUANTITY PER INCH: 36
•
SCREW SURFACE TREATMENT: CADMIUM
•
MINIMUM TENSILE STRENGTH: 55000 POUNDS PER SQUARE INCH LBS
•
THREAD CLASS: 2A A
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1S STYLE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH36
SCREW SURFACE TREATMENTCADMIUM
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1S STYLE
HEAD HEIGHT0.120 INCHES NOMINAL IN
THREAD LENGTH0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
42016Interchangeable
interchangeable cross-reference
interchangeable
72139Interchangeable
interchangeable cross-reference
interchangeable
AFP99-1Interchangeable
interchangeable cross-reference
interchangeable
CA160PLInterchangeable
interchangeable cross-reference
interchangeable
2463984Interchangeable
interchangeable cross-reference
interchangeable
5950004498223Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN520-8-7?
AN520-8-7 is a SCREW,MACHINE.
What parts can replace AN520-8-7?
There are 11 known substitutes for AN520-8-7: 42016, 72139, AFP99-1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN520-8-7?
AN520-8-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-151-1578. 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