71657M-5-1750 — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

71657M-5-1750: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.136 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.375 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-052-9812, 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

71657M-5-1750

NSN: 5306-01-052-9812
FSC: 5306 — Bolts
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEXAGON
head_height	0.136 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.375 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	2.125 INCHES NOMINAL IN
shoulder_length	1.730 INCHES NOMINAL FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.312 INCHES NOMINAL FIRST SHOULDER IN
surface_treatment	CADMIUM OVERALL
width_between_flats	0.435 INCHES NOMINAL IN
NSN	5306-01-052-9812

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.136 INCHES NOMINAL IN

•

FASTENER LENGTH: 2.125 INCHES NOMINAL IN

•

SHOULDER LENGTH: 1.730 INCHES NOMINAL FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 0.312 INCHES NOMINAL FIRST SHOULDER IN

•

THREAD LENGTH: 0.375 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES NOMINAL FIRST HOLE IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.136 INCHES NOMINAL IN
FASTENER LENGTH	2.125 INCHES NOMINAL IN
SHOULDER LENGTH	1.730 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.312 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH	0.375 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN

SUBSTITUTES & CROSS-REFERENCES 3

C4356-5D1750Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5306PL1496905Reference document

Same NSN cross-reference

Reference document — Informative reference only

C4356-5DReference document

Same NSN cross-reference

Reference document — Vendor item drawing 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 71657M-5-1750?

71657M-5-1750 is a BOLT,SHOULDER.

What parts can replace 71657M-5-1750?

There are 3 known substitutes for 71657M-5-1750: C4356-5D1750, 5306PL1496905, C4356-5D. Substitute compatibility should be verified for your specific system.

What is the NSN for 71657M-5-1750?

71657M-5-1750 is cataloged in the U.S. Government catalog under NSN 5306-01-052-9812. This indicates validated use in U.S. government and defense supply chains.

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71657M-5-1750 — BOLT,SHOULDER

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