PartsTable
Technical Data Sheet
AN520-10R18 ✓ 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: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, screw_material: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-144-3824, 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
AN520-10R18
NSN: 5305-00-144-3824
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_length1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013
fastener_length1.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
end_item_identificationMRAP MAXXPRO DASH ISS W/OGPK AND W/CROWS; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
NSN5305-00-144-3824
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN520-10R18 · 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-671 FED SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT: CADMIUM
HEAD STYLE: ROUND
HEAD DIAMETER: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH: 32
THREAD DIRECTION: RIGHT-HAND
HEAD HEIGHT: 0.137 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-671 FED SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENTCADMIUM
HEAD STYLEROUND
HEAD DIAMETER0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
THREAD DIRECTIONRIGHT-HAND
HEAD HEIGHT0.137 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD LENGTH1.125 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
23AN520-10R18Interchangeable
interchangeable cross-reference
interchangeable
AN520-10R18Interchangeable
interchangeable cross-reference
interchangeable
10420877Interchangeable
interchangeable cross-reference
interchangeable
507168-68Interchangeable
interchangeable cross-reference
interchangeable
MS35207-268Interchangeable
interchangeable cross-reference
interchangeable
FFS92ANDTYPE3ANDSTYLE1CInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN520-10R18?
AN520-10R18 is a SCREW,MACHINE.
What parts can replace AN520-10R18?
There are 7 known substitutes for AN520-10R18: 23AN520-10R18, AN520-10R18, 10420877 and 4 more. Substitute compatibility should be verified for your specific system.
Is AN520-10R18 still available?
AN520-10R18 is currently cancelled.
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