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KB25X60WN1443 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

KB25X60WN1443: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, head_height: 1.8 MILLIMETERS NOMINAL MM, head_diameter: 5.0 MILLIMETERS NOMINAL MM, fastener_length: 60.0 MILLIMETERS NOMINAL MM, hardness_rating: 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-424-6891, 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
KB25X60WN1443
NSN: 5305-01-424-6891
FSC: 5305 — Screws
CAGE: 95110 — ATF INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK UNDERCUT
head_height1.8 MILLIMETERS NOMINAL MM
head_diameter5.0 MILLIMETERS NOMINAL MM
fastener_length60.0 MILLIMETERS NOMINAL MM
hardness_rating33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
countersink_angle90.0 DEGREES NOMINAL
nonmachine_nominal_thread_diameter2.5 MILLIMETERS MM
NSN5305-01-424-6891
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: KB25X60WN1443 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 2.5 MILLIMETERS MM
•
HEAD HEIGHT: 1.8 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 60.0 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
•
HEAD STYLE: FLAT COUNTERSUNK UNDERCUT
•
COUNTERSINK ANGLE: 90.0 DEGREES NOMINAL
•
MATERIAL: STEEL OVERALL
•
HEAD DIAMETER: 5.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER2.5 MILLIMETERS MM
HEAD HEIGHT1.8 MILLIMETERS NOMINAL MM
FASTENER LENGTH60.0 MILLIMETERS NOMINAL MM
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
COUNTERSINK ANGLE90.0 DEGREES NOMINAL
MATERIALSTEEL OVERALL
HEAD DIAMETER5.0 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KB25X60WN1443?
KB25X60WN1443 is a SCREW,TAPPING.
What is the NSN for KB25X60WN1443?
KB25X60WN1443 is cataloged in the U.S. Government catalog under NSN 5305-01-424-6891. 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.