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PartsTable / COMPONENT / AN515-8-4
AN515-8-4 ✓ 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: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_length: 0.188 INCHES MINIMUM AND 0.250 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 5305-00-151-1373, 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
AN515-8-4
NSN: 5305-00-151-1373
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
head_stylePAN
head_height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_length0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013
fastener_length0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV)
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
NSN5305-00-151-1373
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN515-8-4 · 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
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
THREAD QUANTITY PER INCH: 32
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.250 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD QUANTITY PER INCH32
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH0.250 INCHES NOMINAL IN
HEAD HEIGHT0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
THREAD LENGTH0.250 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SCREW MATERIALSTEEL
THREAD DIRECTIONRIGHT-HAND
HEAD DIAMETER0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
525894Interchangeable
interchangeable cross-reference
interchangeable
ET6517Interchangeable
interchangeable cross-reference
interchangeable
QK358Interchangeable
interchangeable cross-reference
interchangeable
6517Interchangeable
interchangeable cross-reference
interchangeable
450136H19Interchangeable
interchangeable cross-reference
interchangeable
4P94505-101AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN515-8-4?
AN515-8-4 is a SCREW,MACHINE.
What parts can replace AN515-8-4?
There are 27 known substitutes for AN515-8-4: 525894, ET6517, QK358 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN515-8-4?
AN515-8-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-151-1373. 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