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Technical Data Sheet
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1-4X20X1-1-4 — 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: HEXAGON, head_height: 0.190 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM IN, screw_material: STEEL, fastener_length: 1.250 INCHES NOMINAL 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 5305-00-801-6741, 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
1-4X20X1-1-4
NSN: 5305-00-801-6741
FSC: 5305
CAGE: 78945 — PROVERBS 31 INVESTMENTS LLC DBA GATEWAY STRATEGIC SOURCING DIV GATEWAY STRATEGIC SOURCING (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.190 INCHES NOMINAL IN
thread_class2A A
thread_length1.250 INCHES MINIMUM IN
screw_materialSTEEL
fastener_length1.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.375 INCHES NOMINAL IN
internal_drive_styleSLOT
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentCADMIUM
thread_quantity_per_inch20
NSN5305-00-801-6741
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1-4X20X1-1-4 · 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
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES MINIMUM IN
•
THREAD QUANTITY PER INCH: 20
•
SCREW SURFACE TREATMENT: CADMIUM
•
THREAD CLASS: 2A A
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH1.250 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES MINIMUM IN
THREAD QUANTITY PER INCH20
SCREW SURFACE TREATMENTCADMIUM
THREAD CLASS2A A
INTERNAL DRIVE STYLESLOT
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL IN
HEAD HEIGHT0.190 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
45520Interchangeable
interchangeable cross-reference
interchangeable
400687Interchangeable
interchangeable cross-reference
interchangeable
403159Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-4X20X1-1-4?
1-4X20X1-1-4 is a SCREW,MACHINE.
What parts can replace 1-4X20X1-1-4?
There are 3 known substitutes for 1-4X20X1-1-4: 45520, 400687, 403159. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-4X20X1-1-4?
1-4X20X1-1-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-801-6741. 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: August 2026