PartsTable
Technical Data Sheet
91280A526 ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 8.8 OVERALL, head_style: HEXAGON, head_height: 5.3 MILLIMETERS NOMINAL MM, thread_length: 16.0 MILLIMETERS NOMINAL MM, fastener_length: 16.0 MILLIMETERS NOMINAL MM, hardness_rating: 22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-563-5053, 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
91280A526
NSN: 5305-01-563-5053
FSC: 5305
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 8.8 OVERALL
head_styleHEXAGON
head_height5.3 MILLIMETERS NOMINAL MM
thread_length16.0 MILLIMETERS NOMINAL MM
fastener_length16.0 MILLIMETERS NOMINAL MM
hardness_rating22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats13.0 MILLIMETERS NOMINAL MM
end_item_identification2420-01-538-8287, VEHICLE-MOUNTED MINE DETECTOR (IVMMD); MRAP - COUGAR
nominal_thread_diameter8.0 MILLIMETERS MM
minimum_tensile_strength116 POUNDS PER SQUARE INCH LBS
NSN5305-01-563-5053
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91280A526 · 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
MATERIAL DOCUMENT AND CLASSIFICATION: DIN 933 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL: STEEL PROPERTY CLASS 8.8 OVERALL
THREAD PITCH IN MILLIMETERS: 1.3
SURFACE TREATMENT: ZINC OVERALL
EXTERNAL THREAD TOLERANCE CLASS: 6H
HEAD HEIGHT: 5.3 MILLIMETERS NOMINAL MM
MINIMUM TENSILE STRENGTH: 116 POUNDS PER SQUARE INCH LBS
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONDIN 933 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
THREAD PITCH IN MILLIMETERS1.3
SURFACE TREATMENTZINC OVERALL
EXTERNAL THREAD TOLERANCE CLASS6H
HEAD HEIGHT5.3 MILLIMETERS NOMINAL MM
MINIMUM TENSILE STRENGTH116 POUNDS PER SQUARE INCH LBS
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH16.0 MILLIMETERS NOMINAL MM
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
617162-3Interchangeable
interchangeable cross-reference
interchangeable
617162-009Interchangeable
interchangeable cross-reference
interchangeable
318-010382-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91280A526?
91280A526 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 91280A526?
There are 3 known substitutes for 91280A526: 617162-3, 617162-009, 318-010382-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 91280A526?
91280A526 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-563-5053. This indicates validated use in U.S. government and defense supply chains.
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