ATT1740D-15 — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ATT1740D-15: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: HEXAGON, head_height: 0.120 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.342 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-044-9538, 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

ATT1740D-15

NSN: 5306-01-044-9538
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OVERALL
head_style	HEXAGON
head_height	0.120 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.342 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	1.860 INCHES NOMINAL IN
shoulder_length	1.450 INCHES NOMINAL FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.4985 INCHES MINIMUM AND 0.4993 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatment	CADMIUM OVERALL
width_between_flats	0.744 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NSN	5306-01-044-9538

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.120 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.860 INCHES NOMINAL IN

•

SHOULDER LENGTH: 1.450 INCHES NOMINAL FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: LCP 1067,CLASS 3,TYPE 2,FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 0.4985 INCHES MINIMUM AND 0.4993 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.342 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

SHANK UNTHREADED HOLE DIAMETER: 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.120 INCHES NOMINAL IN
FASTENER LENGTH	1.860 INCHES NOMINAL IN
SHOULDER LENGTH	1.450 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	LCP 1067,CLASS 3,TYPE 2,FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.4985 INCHES MINIMUM AND 0.4993 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.342 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER	0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.312 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 1

1292692-105Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 ATT1740D-15?

ATT1740D-15 is a BOLT,SHOULDER.

What parts can replace ATT1740D-15?

There is 1 known substitute for ATT1740D-15: 1292692-105. Substitute compatibility should be verified for your specific system.

What is the NSN for ATT1740D-15?

ATT1740D-15 is cataloged in the U.S. Government catalog under NSN 5306-01-044-9538. This indicates validated use in U.S. government and defense supply chains.

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