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Technical Data Sheet
PartsTable / COMPONENT / 21065ADX
21065ADX ✓ 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: 0.378 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN, screw_material: COPPER ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-211-3094, 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
21065ADX
NSN: 5305-01-211-3094
FSC: 5305
CAGE: 1VN02 — AIRDALE EXPRESS LLC DIV AIRDALE EXPRESS (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_length0.378 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
screw_materialCOPPER ALLOY
fastener_length0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-211-3094
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21065ADX · 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
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
FASTENER LENGTH: 0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD DIAMETER: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
•
HEAD STYLE: PAN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD HEIGHT: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
•
SCREW MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
FASTENER LENGTH0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD DIAMETER0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
HEAD STYLEPAN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
SCREW MATERIALCOPPER ALLOY
THREAD QUANTITY PER INCH32
THREAD LENGTH0.378 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
05020-0001Interchangeable
interchangeable cross-reference
interchangeable
21065Interchangeable
interchangeable cross-reference
interchangeable
JH13-1Interchangeable
interchangeable cross-reference
interchangeable
B21065Interchangeable
interchangeable cross-reference
interchangeable
SF7400FInterchangeable
interchangeable cross-reference
interchangeable
SF74004FInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21065ADX?
21065ADX is a SCREW,MACHINE.
What parts can replace 21065ADX?
There are 15 known substitutes for 21065ADX: 05020-0001, 21065, JH13-1 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21065ADX?
21065ADX is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-211-3094. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026