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Technical Data Sheet
PartsTable / COMPONENT / 4151ADX
4151ADX ✓ 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: BINDING, head_height: 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.326 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, thread_length: 0.126 INCHES MINIMUM AND 0.188 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 5305-01-081-0121, 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
4151ADX
NSN: 5305-01-081-0121
FSC: 5305
CAGE: 1VN02 — AIRDALE EXPRESS LLC DIV AIRDALE EXPRESS (USA)
SPECIFICATIONS
head_styleBINDING
head_height0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.326 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
thread_length0.126 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
screw_materialCOPPER ALLOY
fastener_length0.188 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentNICKEL
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-081-0121
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4151ADX · 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
•
SCREW SURFACE TREATMENT: NICKEL
•
THREAD QUANTITY PER INCH: 32
•
HEAD HEIGHT: 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
•
HEAD DIAMETER: 0.326 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
•
THREAD CLASS: 2A A
•
FASTENER LENGTH: 0.188 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.164 INCHES IN
SCREW SURFACE TREATMENTNICKEL
THREAD QUANTITY PER INCH32
HEAD HEIGHT0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
HEAD DIAMETER0.326 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
THREAD CLASS2A A
FASTENER LENGTH0.188 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEBINDING
SCREW MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
41-5-1Interchangeable
interchangeable cross-reference
interchangeable
010-500-0083Interchangeable
interchangeable cross-reference
interchangeable
12293AInterchangeable
interchangeable cross-reference
interchangeable
3737199-1Interchangeable
interchangeable cross-reference
interchangeable
801057-004Interchangeable
interchangeable cross-reference
interchangeable
604-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4151ADX?
4151ADX is a SCREW,MACHINE.
What parts can replace 4151ADX?
There are 14 known substitutes for 4151ADX: 41-5-1, 010-500-0083, 12293A and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4151ADX?
4151ADX is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-081-0121. 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