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91263A850 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91263A850: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, head_diameter: 20.0 MILLIMETERS NOMINAL MM, thread_length: 24.50 MILLIMETERS NOMINAL MM, fastener_length: 24.50 MILLIMETERS NOMINAL MM, hardness_rating: 32.0 ROCKWELL C NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-628-7690, 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
91263A850
NSN: 5305-01-628-7690
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
head_diameter20.0 MILLIMETERS NOMINAL MM
thread_length24.50 MILLIMETERS NOMINAL MM
fastener_length24.50 MILLIMETERS NOMINAL MM
hardness_rating32.0 ROCKWELL C NOMINAL OVERALL
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES NOMINAL
width_across_flats6.0 MILLIMETERS NOMINAL MM
internal_drive_styleHEXAGON
nominal_thread_diameter1.5 MILLIMETERS MM
minimum_tensile_strength120000 POUNDS PER SQUARE INCH LBS
NSN5305-01-628-7690
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91263A850 · 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
•
WIDTH ACROSS FLATS: 6.0 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 24.50 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 10.0
•
THREAD LENGTH: 24.50 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 32.0 ROCKWELL C NOMINAL OVERALL
•
NOMINAL THREAD DIAMETER: 1.5 MILLIMETERS MM
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS6.0 MILLIMETERS NOMINAL MM
FASTENER LENGTH24.50 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS10.0
THREAD LENGTH24.50 MILLIMETERS NOMINAL MM
HARDNESS RATING32.0 ROCKWELL C NOMINAL OVERALL
NOMINAL THREAD DIAMETER1.5 MILLIMETERS MM
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLEHEXAGON
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 91263A850?
91263A850 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 91263A850?
91263A850 is cataloged in the U.S. Government catalog under NSN 5305-01-628-7690. This indicates validated use in U.S. government and defense supply chains.
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