MIL-B-1222 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MIL-B-1222: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 1.062 INCHES MINIMUM IN, head_height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.062 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-206-4387, 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

MIL-B-1222

NSN: 5306-00-206-4387
FSC: 5306 — Bolts
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEXAGON
grip_length	1.062 INCHES MINIMUM IN
head_height	0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
thread_class	2A A
thread_length	1.062 INCHES MINIMUM IN
fastener_length	1.500 INCHES NOMINAL IN
hardness_rating	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
features_provided	UNFINISHED HEAD
width_between_flats	0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
nominal_thread_diameter	0.500 INCHES IN
NSN	5306-00-206-4387

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.500 INCHES NOMINAL IN

•

THREAD LENGTH: 1.062 INCHES MINIMUM IN

•

HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.500 INCHES IN

•

FEATURES PROVIDED: UNFINISHED HEAD

•

HEAD STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
FASTENER LENGTH	1.500 INCHES NOMINAL IN
THREAD LENGTH	1.062 INCHES MINIMUM IN
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.500 INCHES IN
FEATURES PROVIDED	UNFINISHED HEAD
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY HD DIM. AND THD LENGTH

SUBSTITUTES & CROSS-REFERENCES 1

S1585Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 MIL-B-1222?

MIL-B-1222 is a BOLT,MACHINE.

What parts can replace MIL-B-1222?

There is 1 known substitute for MIL-B-1222: S1585. Substitute compatibility should be verified for your specific system.

What is the NSN for MIL-B-1222?

MIL-B-1222 is cataloged in the U.S. Government catalog under NSN 5306-00-206-4387. This indicates validated use in U.S. government and defense supply chains.

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