PartsTable
Technical Data Sheet
21026ADX ✓ 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: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, thread_length: 0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, screw_material: NICKEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-126-7128, 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
21026ADX
NSN: 5305-01-126-7128
FSC: 5305
CAGE: 1VN02 — AIRDALE EXPRESS LLC DIV AIRDALE EXPRESS (USA)
SPECIFICATIONS
head_stylePAN
head_height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
thread_length0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
screw_materialNICKEL
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-126-7128
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21026ADX · 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
SCREW MATERIAL: NICKEL
THREAD QUANTITY PER INCH: 40
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
THREAD LENGTH: 0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
THREAD CLASS: 2A A
HEAD HEIGHT: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SCREW MATERIALNICKEL
THREAD QUANTITY PER INCH40
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER0.112 INCHES IN
THREAD LENGTH0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
THREAD CLASS2A A
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
HEAD DIAMETER0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
HEAD STYLEPAN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
SP32163Interchangeable
interchangeable cross-reference
interchangeable
419542-2Interchangeable
interchangeable cross-reference
interchangeable
GB2717-2Interchangeable
interchangeable cross-reference
interchangeable
7005515P1Interchangeable
interchangeable cross-reference
interchangeable
RG62AUInterchangeable
interchangeable cross-reference
interchangeable
M17/30-RG062Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21026ADX?
21026ADX is a SCREW,MACHINE.
What parts can replace 21026ADX?
There are 9 known substitutes for 21026ADX: SP32163, 419542-2, GB2717-2 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21026ADX?
21026ADX is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-126-7128. This indicates validated use in U.S. government and defense supply chains.
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