3F2734-91-7 — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

3F2734-91-7: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: HEXAGON, head_height: 0.219 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.500 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-274-5558, 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

3F2734-91-7

NSN: 5306-00-274-5558
FSC: 5306 — Bolts
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OVERALL
head_style	HEXAGON
head_height	0.219 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.500 INCHES MINIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	1.375 INCHES NOMINAL IN
hardness_rating	26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length	0.875 INCHES NOMINAL FIRST SHOULDER IN
special_features	ROUNDED UNDERCUT BETWEEN HEAD AND SHOULDER 0.010 IN. 3/64 IN. LG IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER IN
NSN	5306-00-274-5558

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.219 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.375 INCHES NOMINAL IN

•

SHOULDER LENGTH: 0.875 INCHES NOMINAL FIRST SHOULDER IN

•

SHOULDER DIAMETER: 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.500 INCHES MINIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.219 INCHES NOMINAL IN
FASTENER LENGTH	1.375 INCHES NOMINAL IN
SHOULDER LENGTH	0.875 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER	0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.500 INCHES MINIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 2

10728Reference document

Same NSN cross-reference

Reference document — Secondary reference

N37051-1-72FReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 3F2734-91-7?

3F2734-91-7 is a BOLT,SHOULDER.

What parts can replace 3F2734-91-7?

There are 2 known substitutes for 3F2734-91-7: 10728, N37051-1-72F. Substitute compatibility should be verified for your specific system.

What is the NSN for 3F2734-91-7?

3F2734-91-7 is cataloged in the U.S. Government catalog under NSN 5306-00-274-5558. This indicates validated use in U.S. government and defense supply chains.

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