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Technical Data Sheet
PartsTable / COMPONENT / 12266ADX
12266ADX ✓ 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: 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN, thread_length: 0.256 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, screw_material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-129-0410, 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
12266ADX
NSN: 5305-01-129-0410
FSC: 5305
CAGE: 1VN02 — AIRDALE EXPRESS LLC DIV AIRDALE EXPRESS (USA)
SPECIFICATIONS
head_stylePAN
head_height0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
thread_length0.256 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
fastener_length0.292 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.086 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch56
NSN5305-01-129-0410
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12266ADX · 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
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD HEIGHT: 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.256 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES
•
SCREW MATERIAL: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
•
SCREW SURFACE TREATMENT: PASSIVATE
•
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD DIRECTIONRIGHT-HAND
HEAD HEIGHT0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
THREAD LENGTH0.256 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
SCREW SURFACE TREATMENTPASSIVATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
THREAD QUANTITY PER INCH56
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
12266Interchangeable
interchangeable cross-reference
interchangeable
110 1-9/64Interchangeable
interchangeable cross-reference
interchangeable
C12266Interchangeable
interchangeable cross-reference
interchangeable
53173Interchangeable
interchangeable cross-reference
interchangeable
ES2770-5Interchangeable
interchangeable cross-reference
interchangeable
995297-13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12266ADX?
12266ADX is a SCREW,MACHINE.
What parts can replace 12266ADX?
There are 9 known substitutes for 12266ADX: 12266, 110 1-9/64, C12266 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12266ADX?
12266ADX is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-129-0410. 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