T740R — NUT,SELF-LOCKING,CONE SEAT,HEXAG

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

T740R: NUT,SELF-LOCKING,CONE SEAT,HEXAG.

NUT,SELF-LOCKING,CONE SEAT,HEXAG. Key specifications include material: STEEL OVERALL, nut_style: CONE SEAT, HEXAGON, nut_height: 17.4 MILLIMETERS MINIMUM AND 19.0 MILLIMETERS MAXIMUM MM, thread_class: 6H, cone_seat_angle: 90.0 DEGREES NOMINAL, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-063-5844, 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

T740R

NSN: 5310-01-063-5844
FSC: 5310 — Nuts and Washers
CAGE: 82458 — P.G.& E. CORP. (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	CONE SEAT, HEXAGON
nut_height	17.4 MILLIMETERS MINIMUM AND 19.0 MILLIMETERS MAXIMUM MM
thread_class	6H
thread_series	M
cone_seat_angle	90.0 DEGREES NOMINAL
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
width_across_flats	29.0 MILLIMETERS MINIMUM AND 30.0 MILLIMETERS MAXIMUM MM
nominal_thread_size	20.0 MILLIMETERS MM
thread_pitch_in_millimeters	2.50
NSN	5310-01-063-5844

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 29.0 MILLIMETERS MINIMUM AND 30.0 MILLIMETERS MAXIMUM MM

•

THREAD SERIES: M

•

THREAD PITCH IN MILLIMETERS: 2.50

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 20.0 MILLIMETERS MM

•

CONE SEAT ANGLE: 90.0 DEGREES NOMINAL

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN

•

NUT HEIGHT: 17.4 MILLIMETERS MINIMUM AND 19.0 MILLIMETERS MAXIMUM MM

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	29.0 MILLIMETERS MINIMUM AND 30.0 MILLIMETERS MAXIMUM MM
THREAD SERIES	M
THREAD PITCH IN MILLIMETERS	2.50
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	20.0 MILLIMETERS MM
CONE SEAT ANGLE	90.0 DEGREES NOMINAL
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT	17.4 MILLIMETERS MINIMUM AND 19.0 MILLIMETERS MAXIMUM MM
NUT STYLE	CONE SEAT, HEXAGON
THREAD CLASS	6H

OTHER ITEMS IN FSC 5310 — Nuts and Washers

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

5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540

SUBSTITUTES & CROSS-REFERENCES 4

12273113Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

IL-3289Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

XM67020Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

SN-1055GBReference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 T740R?

T740R is a NUT,SELF-LOCKING,CONE SEAT,HEXAG.

What parts can replace T740R?

There are 4 known substitutes for T740R: 12273113, IL-3289, XM67020 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for T740R?

T740R is cataloged in the U.S. Government catalog under NSN 5310-01-063-5844. This indicates validated use in U.S. government and defense supply chains.

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T740R — NUT,SELF-LOCKING,CONE SEAT,HEXAG

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