12256674-3 — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

12256674-3: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OVERALL, head_style: HEXAGON, head_height: 0.340 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.750 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-181-5018, 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

12256674-3

NSN: 5306-01-181-5018
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OVERALL
head_style	HEXAGON
head_height	0.340 INCHES NOMINAL IN
thread_class	2A A
thread_length	0.750 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	3.780 INCHES NOMINAL IN
hardness_rating	20.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length	2.970 INCHES NOMINAL FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.625 INCHES NOMINAL FIRST SHOULDER IN
surface_treatment	CHROMATE ZINC OVERALL
NSN	5306-01-181-5018

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.340 INCHES NOMINAL IN

•

FASTENER LENGTH: 3.780 INCHES NOMINAL IN

•

SHOULDER LENGTH: 2.970 INCHES NOMINAL FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 0.625 INCHES NOMINAL FIRST SHOULDER IN

•

THREAD LENGTH: 0.750 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

HARDNESS RATING: 20.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.340 INCHES NOMINAL IN
FASTENER LENGTH	3.780 INCHES NOMINAL IN
SHOULDER LENGTH	2.970 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.625 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH	0.750 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
HARDNESS RATING	20.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.500 INCHES IN

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

No substitute or cross-reference records for this part.

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 12256674-3?

12256674-3 is a BOLT,SHOULDER.

What is the NSN for 12256674-3?

12256674-3 is cataloged in the U.S. Government catalog under NSN 5306-01-181-5018. This indicates validated use in U.S. government and defense supply chains.

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12256674-3 — BOLT,SHOULDER

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