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ANSI B18.2.3.1M — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ANSI B18.2.3.1M: 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: 6.17 MILLIMETERS MINIMUM AND 6.63 MILLIMETERS MAXIMUM MM, thread_length: 20.0 MILLIMETERS NOMINAL MM, fastener_length: 25.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-680-1185, 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
ANSI B18.2.3.1M
NSN: 5305-01-680-1185
NIINs: 016801185, 016801200, 016801240, 016801246, 016801258
FSC: 5305 — Screws
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height6.17 MILLIMETERS MINIMUM AND 6.63 MILLIMETERS MAXIMUM MM
thread_length20.0 MILLIMETERS NOMINAL MM
fastener_length25.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
surface_treatmentZINC AND ALUMINUM OVERALL
width_between_flats15.73 MILLIMETERS MINIMUM AND 16.00 MILLIMETERS MAXIMUM MM
end_item_identification5420-01-545-7365
nominal_thread_diameter8.0 MILLIMETERS MM
thread_series_designatorM
specification/standard_data05047-ASME B18.24-2015 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5305-01-680-1185
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ANSI B18.2.3.1M · 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: 6.17 MILLIMETERS MINIMUM AND 6.63 MILLIMETERS MAXIMUM MM
•
FASTENER LENGTH: 25.0 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM F2833,GRADE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD PITCH IN MILLIMETERS: 1.50
•
THREAD LENGTH: 25.0 MILLIMETERS NOMINAL MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A354,GRADE BD ALLOY STEEL K04100 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 10.0 MILLIMETERS MM
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT6.17 MILLIMETERS MINIMUM AND 6.63 MILLIMETERS MAXIMUM MM
FASTENER LENGTH25.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM F2833,GRADE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD PITCH IN MILLIMETERS1.50
THREAD LENGTH25.0 MILLIMETERS NOMINAL MM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A354,GRADE BD ALLOY STEEL K04100 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER10.0 MILLIMETERS MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA05047-ASME B18.24-2015 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
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 ANSI B18.2.3.1M?
ANSI B18.2.3.1M is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for ANSI B18.2.3.1M?
ANSI B18.2.3.1M is cataloged in the U.S. Government catalog under NSN 5305-01-680-1185. This indicates validated use in U.S. government and defense supply chains.
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