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91280A881 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91280A881: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 12.5 MILLIMETERS NOMINAL MM, thread_length: 30.0 MILLIMETERS NOMINAL MM, fastener_length: 30.0 MILLIMETERS NOMINAL MM, hardness_rating: 23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-556-6989, 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
91280A881
NSN: 5305-01-556-6989
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height12.5 MILLIMETERS NOMINAL MM
thread_length30.0 MILLIMETERS NOMINAL MM
fastener_length30.0 MILLIMETERS NOMINAL MM
hardness_rating23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats30.0 MILLIMETERS NOMINAL MM
end_item_identification2355-01-542-7908; INTERIM VEHICLE-MOUNTED MINE DETECTOR (IVMMD)
nominal_thread_diameter20.0 MILLIMETERS MM
minimum_tensile_strength120000 POUNDS PER SQUARE INCH LBS
NSN5305-01-556-6989
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91280A881 · 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: 12.5 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 30.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 2.5
•
THREAD LENGTH: 30.0 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 20.0 MILLIMETERS MM
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT12.5 MILLIMETERS NOMINAL MM
FASTENER LENGTH30.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS2.5
THREAD LENGTH30.0 MILLIMETERS NOMINAL MM
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER20.0 MILLIMETERS MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS30.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENTZINC OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 91280A881?
91280A881 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 91280A881?
91280A881 is cataloged in the U.S. Government catalog under NSN 5305-01-556-6989. This indicates validated use in U.S. government and defense supply chains.
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