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Technical Data Sheet
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91280A845 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91280A845: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 10.0 MILLIMETERS NOMINAL MM, thread_length: 55.0 MILLIMETERS NOMINAL MM, fastener_length: 55.0 MILLIMETERS NOMINAL MM, hardness_rating: 21.0 ROCKWELL C NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-577-7482, 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
91280A845
NSN: 5306-01-577-7482
FSC: 5306 — Bolts
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height10.0 MILLIMETERS NOMINAL MM
thread_length55.0 MILLIMETERS NOMINAL MM
fastener_length55.0 MILLIMETERS NOMINAL MM
hardness_rating21.0 ROCKWELL C NOMINAL OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats24.0 MILLIMETERS NOMINAL MM
end_item_identification2355-01-560-2318
nominal_thread_diameter16.0 MILLIMETERS MM
minimum_tensile_strength116000 POUNDS PER SQUARE INCH LBS
NSN5306-01-577-7482
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91280A845 · 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: 10.0 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 55.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 2.0
•
THREAD LENGTH: 55.0 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 21.0 ROCKWELL C NOMINAL OVERALL
•
NOMINAL THREAD DIAMETER: 16.0 MILLIMETERS MM
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT10.0 MILLIMETERS NOMINAL MM
FASTENER LENGTH55.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS2.0
THREAD LENGTH55.0 MILLIMETERS NOMINAL MM
HARDNESS RATING21.0 ROCKWELL C NOMINAL OVERALL
NOMINAL THREAD DIAMETER16.0 MILLIMETERS MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS24.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENTZINC OVERALL
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

No substitute or cross-reference records for this part.

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 91280A845?
91280A845 is a BOLT,MACHINE.
What is the NSN for 91280A845?
91280A845 is cataloged in the U.S. Government catalog under NSN 5306-01-577-7482. This indicates validated use in U.S. government and defense supply chains.
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