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Technical Data Sheet
PartsTable / COMPONENT / 426031
426031 ✓ 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: OVAL COUNTERSUNK, thread_class: 2A A, head_diameter: 0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN, thread_length: 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN, screw_material: STEEL, fastener_length: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-042-6031, 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
426031
NSN: 5305-00-042-6031
FSC: 5305
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
head_styleOVAL COUNTERSUNK
thread_class2A A
head_diameter0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
thread_length1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
NSN5305-00-042-6031
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 426031 · 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
•
THREAD SERIES DESIGNATOR: UNF
•
HEAD DIAMETER: 0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
•
THREAD CLASS: 2A A
•
THREAD LENGTH: 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
SCREW MATERIAL: STEEL
•
FASTENER LENGTH: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
•
HEAD STYLE: OVAL COUNTERSUNK
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF
HEAD DIAMETER0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
THREAD CLASS2A A
THREAD LENGTH1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
SCREW MATERIALSTEEL
FASTENER LENGTH1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
HEAD STYLEOVAL COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
101063Interchangeable
interchangeable cross-reference
interchangeable
FFS92TYPE1STYLE6SInterchangeable
interchangeable cross-reference
interchangeable
110624Interchangeable
interchangeable cross-reference
interchangeable
51727Interchangeable
interchangeable cross-reference
interchangeable
134131Interchangeable
interchangeable cross-reference
interchangeable
134159Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 426031?
426031 is a SCREW,MACHINE.
What parts can replace 426031?
There are 13 known substitutes for 426031: 101063, FFS92TYPE1STYLE6S, 110624 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 426031?
426031 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-042-6031. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026