B18.3.4M — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

B18.3.4M: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 12.9 OVERALL, head_style: BUTTON, head_height: 4.05 MILLIMETERS MINIMUM AND 4.40 MILLIMETERS MAXIMUM MM, head_diameter: 13.57 MILLIMETERS MINIMUM AND 14.00 MILLIMETERS MAXIMUM MM, thread_length: 19.0 MILLIMETERS NOMINAL MM, fastener_length: 20.0 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-071-2071, 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

B18.3.4M

NSN: 5305-00-071-2071
NIINs: 000712071, 014999319, 015681700, 015715922, 015932452
FSC: 5305 — Screws
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)

SPECIFICATIONS

material	STEEL PROPERTY CLASS 12.9 OVERALL
head_style	BUTTON
head_height	4.05 MILLIMETERS MINIMUM AND 4.40 MILLIMETERS MAXIMUM MM
head_diameter	13.57 MILLIMETERS MINIMUM AND 14.00 MILLIMETERS MAXIMUM MM
thread_length	19.0 MILLIMETERS NOMINAL MM
fastener_length	20.0 INCHES NOMINAL IN
special_features	MATL SPEC IAW ASTM F835M AND PROTECTIVE FINISH IAW ASTM B633,FE/ZN,TY II
thread_direction	RIGHT-HAND
surface_treatment	ZINC OVERALL
width_across_flats	5.0 MILLIMETERS NOMINAL MM
internal_drive_style	HEXAGON
end_item_identification	HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
NSN	5305-00-071-2071

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 10

5310000347-00Reference document

Same NSN cross-reference

Reference document — Secondary reference

60205Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

17KP396Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

122459Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

456720112708Reference document

Same NSN cross-reference

Reference document — Informative reference only

6477-57Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B18.3.4M?

B18.3.4M is a SCREW,CAP,SOCKET HEAD.

What parts can replace B18.3.4M?

There are 10 known substitutes for B18.3.4M: 5310000347-00, 60205, 17KP396 and 7 more. Substitute compatibility should be verified for your specific system.

What is the NSN for B18.3.4M?

B18.3.4M is cataloged in the U.S. Government catalog under NSN 5305-00-071-2071. This indicates validated use in U.S. government and defense supply chains.

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