2643-1002-63 — DISK,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

2643-1002-63: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, thread_class: 3A SINGLE THREADED PORTION A, thread_length: 0.650 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 1.250 INCHES NOMINAL IN, flange_diameter: 5.750 INCHES NOMINAL IN, hardness_rating: 115.0 ROCKWELL R NOMINAL SEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-442-0424, 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

2643-1002-63

NSN: 4820-01-442-0424
NIINs: 014420424, 014420439, 014420749, 014420793
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)

SPECIFICATIONS

material	NICKEL ALLOY
thread_class	3A SINGLE THREADED PORTION A
thread_length	0.650 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height	1.250 INCHES NOMINAL IN
flange_diameter	5.750 INCHES NOMINAL IN
hardness_rating	115.0 ROCKWELL R NOMINAL SEAT
inside_diameter	4.200 INCHES NOMINAL IN
shoulder_height	0.500 INCHES NOMINAL IN
outside_diameter	2.500 INCHES NOMINAL IN
special_features	A/K/A SEAT UPPER
style_designator	PLAIN FLANGED
nominal_thread_size	5.250 INCHES SINGLE THREADED PORTION IN
NSN	4820-01-442-0424

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 0.600 INCHES NOMINAL IN

•

FLANGE DIAMETER: 5.750 INCHES NOMINAL IN

•

BODY OUTSIDE DIAMETER: 5.360 INCHES NOMINAL IN

•

THREAD LENGTH: 0.650 INCHES NOMINAL SINGLE THREADED PORTION IN

•

HARDNESS RATING: 115.0 ROCKWELL R NOMINAL SEAT

•

STYLE DESIGNATOR: PLAIN FLANGED

•

BODY INSIDE DIAMETER: 4.625 INCHES NOMINAL IN

•

NOMINAL THREAD SIZE: 5.500 INCHES SINGLE THREADED PORTION IN

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	0.600 INCHES NOMINAL IN
FLANGE DIAMETER	5.750 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER	5.360 INCHES NOMINAL IN
THREAD LENGTH	0.650 INCHES NOMINAL SINGLE THREADED PORTION IN
HARDNESS RATING	115.0 ROCKWELL R NOMINAL SEAT
STYLE DESIGNATOR	PLAIN FLANGED
BODY INSIDE DIAMETER	4.625 INCHES NOMINAL IN
NOMINAL THREAD SIZE	5.500 INCHES SINGLE THREADED PORTION IN
SPECIAL FEATURES	A/K/A SEAT UPPER
UNDER FLANGE HEIGHT	0.775 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 5

218020208Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

801-6556655 FIND A5Reference document

Same NSN cross-reference

Reference document — Secondary reference

2643-1002-63 FN A5Reference document

Same NSN cross-reference

Reference document — Secondary reference

801-6556655-A5Reference document

Same NSN cross-reference

Reference document — Secondary reference

6556655Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 2643-1002-63?

2643-1002-63 is a DISK,VALVE.

What parts can replace 2643-1002-63?

There are 5 known substitutes for 2643-1002-63: 218020208, 801-6556655 FIND A5, 2643-1002-63 FN A5 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 2643-1002-63?

2643-1002-63 is cataloged in the U.S. Government catalog under NSN 4820-01-442-0424. This indicates validated use in U.S. government and defense supply chains.

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2643-1002-63 — DISK,VALVE

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