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25KP642 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

25KP642: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN, head_height: 0.133 INCHES NOMINAL IN, head_diameter: 0.373 INCHES NOMINAL IN, thread_length: 0.750 INCHES NOMINAL IN, fastener_length: 0.883 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-559-7220, 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
25KP642
NSN: 5306-01-559-7220
FSC: 5306 — Bolts
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN
head_height0.133 INCHES NOMINAL IN
head_diameter0.373 INCHES NOMINAL IN
thread_length0.750 INCHES NOMINAL IN
fastener_length0.883 INCHES NOMINAL IN
special_featuresZINC-PLATED STEEL PAN HEAD PHILLIPS MACHINE SCREW,NUMBER 2 DRIVE
thread_directionRIGHT-HAND
end_item_identification4320-01-533-6418;600 GPM PUMP ASSEMBLY,WATER
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencyBOLT,HEXAGON
NSN5306-01-559-7220
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 25KP642 · 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: 0.133 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.883 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.133 INCHES NOMINAL IN
FASTENER LENGTH0.883 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES NOMINAL IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESZINC-PLATED STEEL PAN HEAD PHILLIPS MACHINE SCREW,NUMBER 2 DRIVE
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,HEXAGON
END ITEM IDENTIFICATION4320-01-533-6418;600 GPM PUMP ASSEMBLY,WATER
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
90272A245Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 25KP642?
25KP642 is a BOLT,MACHINE.
What parts can replace 25KP642?
There is 1 known substitute for 25KP642: 90272A245. Substitute compatibility should be verified for your specific system.
What is the NSN for 25KP642?
25KP642 is cataloged in the U.S. Government catalog under NSN 5306-01-559-7220. 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.