2643-840-07-7 — RING,EXTERNALLY THREADED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

2643-840-07-7: RING,EXTERNALLY THREADED.

The RING,EXTERNALLY THREADED is a the manufacturer industrial component. Key specifications include width: 0.094 INCHES NOMINAL IN, diameter: 1.750 INCHES NOMINAL IN, material: COPPER ALLOY, drive_type: HEX HEAD, thread_size: 1.750-16, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-485-8459, 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

2643-840-07-7

NSN: 5365-01-485-8459
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)

SPECIFICATIONS

width	0.094 INCHES NOMINAL IN
diameter	1.750 INCHES NOMINAL IN
material	COPPER ALLOY
drive_type	HEX HEAD
thread_size	1.750-16
thread_class	3A A
overall_length	0.094 INCHES NOMINAL IN
screw_thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5365-01-485-8459

COMPONENT DIAGRAM

KEY FEATURES

•

DRIVE TYPE: HEX HEAD

•

DIAMETER: 1.750 INCHES NOMINAL IN

•

THREAD SIZE: 1.750-16

•

SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)

•

WIDTH: 0.094 INCHES NOMINAL IN

•

THREAD CLASS: 3A A

•

MATERIAL: COPPER ALLOY

TECHNICAL CHARACTERISTICS

DRIVE TYPE	HEX HEAD
DIAMETER	1.750 INCHES NOMINAL IN
OVERALL LENGTH	0.094 INCHES NOMINAL IN
THREAD SIZE	1.750-16
SCREW THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH	0.094 INCHES NOMINAL IN
THREAD CLASS	3A A
MATERIAL	COPPER ALLOY

SUBSTITUTES & CROSS-REFERENCES 1

845-7383596Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 2643-840-07-7?

2643-840-07-7 is a RING,EXTERNALLY THREADED.

What parts can replace 2643-840-07-7?

There is 1 known substitute for 2643-840-07-7: 845-7383596. Substitute compatibility should be verified for your specific system.

What is the NSN for 2643-840-07-7?

2643-840-07-7 is cataloged in the U.S. Government catalog under NSN 5365-01-485-8459. This indicates validated use in U.S. government and defense supply chains.

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2643-840-07-7 — RING,EXTERNALLY THREADED

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