MB155-3H2 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MB155-3H2: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, hole_type: DRILLED, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, head_height: 0.140 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-528-8572, 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

MB155-3H2

NSN: 5306-01-528-8572
FSC: 5306 — Bolts
CAGE: 73197 — HI-SHEAR CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
hole_type	DRILLED
head_style	SPLINE DRIVE SHEAR HEAD
grip_length	0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
head_height	0.140 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
hole_diameter	0.041 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN
hole_quantity	1
thread_length	0.331 INCHES NOMINAL IN
fastener_length	0.440 INCHES MINIMUM AND 0.487 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
NSN	5306-01-528-8572

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.140 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.440 INCHES MINIMUM AND 0.487 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.331 INCHES NOMINAL IN

•

CRITICALITY CODE JUSTIFICATION: AGAV

•

HOLE CONFIGURATION STYLE: SPLINE

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.140 INCHES NOMINAL IN
FASTENER LENGTH	0.440 INCHES MINIMUM AND 0.487 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.331 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATION	AGAV
HOLE CONFIGURATION STYLE	SPLINE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	SPLINE DRIVE SHEAR HEAD
THREAD DIRECTION	RIGHT-HAND

OTHER ITEMS IN FSC 5306 — Bolts

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017

SUBSTITUTES & CROSS-REFERENCES 2

ST3M747-3H2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

11833-3H2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MB155-3H2?

MB155-3H2 is a BOLT,CLOSE TOLERANCE.

What parts can replace MB155-3H2?

There are 2 known substitutes for MB155-3H2: ST3M747-3H2, 11833-3H2. Substitute compatibility should be verified for your specific system.

What is the NSN for MB155-3H2?

MB155-3H2 is cataloged in the U.S. Government catalog under NSN 5306-01-528-8572. This indicates validated use in U.S. government and defense supply chains.

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