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K03426 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

K03426: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.188 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.625 INCHES MINIMUM IN, screw_material: STEEL COMP 1213, fastener_length: 2.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-272-5094, 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
K03426
NSN: 5305-00-272-5094
FSC: 5305 — Screws
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.188 INCHES NOMINAL IN
thread_class3A A
thread_length0.625 INCHES MINIMUM IN
screw_materialSTEEL COMP 1213
fastener_length2.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.438 INCHES NOMINAL IN
internal_drive_styleSLOT
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentCADMIUM
thread_quantity_per_inch20
NSN5305-00-272-5094
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: K03426 · 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
•
HEAD HEIGHT: 0.188 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 2.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.625 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.188 INCHES NOMINAL IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH2.625 INCHES NOMINAL IN
THREAD LENGTH0.625 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL IN
SCREW MATERIALSTEEL COMP 1213
INTERNAL DRIVE STYLESLOT
SUBSTITUTES & CROSS-REFERENCES 5
99C10Reference document
Same NSN cross-reference
Reference document — Secondary reference
66661DReference document
Same NSN cross-reference
Reference document — Secondary reference
2031805Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
203426Reference document
Same NSN cross-reference
Reference document — Secondary reference
7001779Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is K03426?
K03426 is a SCREW,MACHINE.
What parts can replace K03426?
There are 5 known substitutes for K03426: 99C10, 66661D, 2031805 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K03426?
K03426 is cataloged in the U.S. Government catalog under NSN 5305-00-272-5094. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.