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Technical Data Sheet
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1623-MM5 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1623-MM5: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 7.5 MILLIMETERS NOMINAL MM, thread_length: 150.0 MILLIMETERS NOMINAL MM, fastener_length: 150.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-554-8839, 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
1623-MM5
NSN: 5306-01-554-8839
FSC: 5306 — Bolts
CAGE: 36MV0 — THE SHYFT GROUP USA, INC DBA THE SHYFT GROUP USA, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height7.5 MILLIMETERS NOMINAL MM
thread_length150.0 MILLIMETERS NOMINAL MM
fastener_length150.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
width_between_flats19.0 MILLIMETERS NOMINAL MM
end_item_identification2420-01-538-8287 TRACTOR,WHEELED,HIGH SPEED
nominal_thread_diameter12.0 MILLIMETERS MM
minimum_tensile_strength101 POUNDS PER SQUARE INCH LBS
thread_series_designatorM
thread_pitch_in_millimeters1.75
NSN5306-01-554-8839
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1623-MM5 · 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: 7.5 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 150.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.75
•
THREAD LENGTH: 150.0 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 12.0 MILLIMETERS MM
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 19.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
HEAD HEIGHT7.5 MILLIMETERS NOMINAL MM
FASTENER LENGTH150.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.75
THREAD LENGTH150.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER12.0 MILLIMETERS MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS19.0 MILLIMETERS NOMINAL MM
MINIMUM TENSILE STRENGTH101 POUNDS PER SQUARE INCH LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX HEAD CAP SCREW
SUBSTITUTES & CROSS-REFERENCES 1
91287A485Same 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 1623-MM5?
1623-MM5 is a BOLT,MACHINE.
What parts can replace 1623-MM5?
There is 1 known substitute for 1623-MM5: 91287A485. Substitute compatibility should be verified for your specific system.
What is the NSN for 1623-MM5?
1623-MM5 is cataloged in the U.S. Government catalog under NSN 5306-01-554-8839. This indicates validated use in U.S. government and defense supply chains.
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