6390785-1 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

6390785-1: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, nut_style: HEXAGON, nut_height: 0.870 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-447-6375, 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

6390785-1

NSN: 5310-01-447-6375
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
nut_style	HEXAGON
nut_height	0.870 INCHES NOMINAL IN
thread_class	2B
thread_series	UN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
width_across_flats	2.844 INCHES MINIMUM AND 2.938 INCHES MAXIMUM IN
nominal_thread_size	1.875 INCHES IN
bearing_surface_type	CHAMFERED OR WASHER FACED
thread_quantity_per_inch	20
material_document_and_classification	AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-447-6375

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 2.844 INCHES MINIMUM AND 2.938 INCHES MAXIMUM IN

•

THREAD SERIES: UN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 1.875 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN

•

NUT HEIGHT: 0.870 INCHES NOMINAL IN

•

NUT STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	2.844 INCHES MINIMUM AND 2.938 INCHES MAXIMUM IN
THREAD SERIES	UN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	1.875 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT	0.870 INCHES NOMINAL IN
NUT STYLE	HEXAGON
THREAD CLASS	2B
THREAD QUANTITY PER INCH	20

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 1

6390785Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 6390785-1?

6390785-1 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 6390785-1?

There is 1 known substitute for 6390785-1: 6390785. Substitute compatibility should be verified for your specific system.

What is the NSN for 6390785-1?

6390785-1 is cataloged in the U.S. Government catalog under NSN 5310-01-447-6375. This indicates validated use in U.S. government and defense supply chains.

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6390785-1 — NUT,SELF-LOCKING,HEXAGON

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