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9HB657 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9HB657: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_diameter: 0.250 INCHES NOMINAL IN, thread_length: 0.625 INCHES NOMINAL IN, screw_material: STEEL, fastener_length: 0.625 INCHES NOMINAL IN, special_features: PHILLIPS HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-486-4619, 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
9HB657
NSN: 5305-01-486-4619
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
head_stylePAN
head_diameter0.250 INCHES NOMINAL IN
thread_length0.625 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.625 INCHES NOMINAL IN
special_featuresPHILLIPS HEAD
thread_directionRIGHT-HAND
end_item_identification2320-01-465-2174
nominal_thread_diameter0.138 INCHES IN
screw_surface_treatmentZINC
thread_quantity_per_inch32
NSN5305-01-486-4619
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9HB657 · 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
•
SCREW SURFACE TREATMENT: ZINC
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.625 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTZINC
FASTENER LENGTH0.625 INCHES NOMINAL IN
THREAD LENGTH0.625 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
SPECIAL FEATURESPHILLIPS HEAD
END ITEM IDENTIFICATION2320-01-465-2174
THREAD QUANTITY PER INCH32
SUBSTITUTES & CROSS-REFERENCES 1
132705Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9HB657?
9HB657 is a SCREW,MACHINE.
What parts can replace 9HB657?
There is 1 known substitute for 9HB657: 132705. Substitute compatibility should be verified for your specific system.
What is the NSN for 9HB657?
9HB657 is cataloged in the U.S. Government catalog under NSN 5305-01-486-4619. 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.