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18274ADX — Technical Data Sheet

✓ 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: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN, thread_length: 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, screw_material: STEEL, fastener_length: 1.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-00-958-6365, 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
18274ADX
NSN: 5305-00-958-6365
FSC: 5305
CAGE: 1VN02 — AIRDALE EXPRESS LLC DIV AIRDALE EXPRESS (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
thread_length1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length1.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
NSN5305-00-958-6365
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 18274ADX · 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 SURFACE TREATMENT: CADMIUM AND CHROMATE
•
THREAD LENGTH: 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 2C STYLE
•
MINIMUM TENSILE STRENGTH: 60000 POUNDS PER SQUARE INCH LBS
•
FASTENER LENGTH: 1.750 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
THREAD LENGTH1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 2C STYLE
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
FASTENER LENGTH1.750 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
SCREW MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
18274-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
18274InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
01-04171InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
824419InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PA60012/1-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
310-13864-01InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18274ADX?
18274ADX is a SCREW,MACHINE.
What parts can replace 18274ADX?
There are 12 known substitutes for 18274ADX: 18274-2, 18274, 01-04171 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18274ADX?
18274ADX is cataloged in the Federal Logistics Information System under NSN 5305-00-958-6365. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026