8543-009-002S — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

8543-009-002S: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flange_diameter: 4.895 INCHES NOMINAL IN, special_features: FACE TRIMED IN STELLITE, style_designator: PLAIN FLANGED, seat_angle_in_deg: 30.000 NOMINAL, under_flange_height: 0.102 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-432-9306, 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

8543-009-002S

NSN: 4820-01-432-9306
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
flange_diameter	4.895 INCHES NOMINAL IN
special_features	FACE TRIMED IN STELLITE
style_designator	PLAIN FLANGED
seat_angle_in_deg	30.000 NOMINAL
under_flange_height	0.102 INCHES NOMINAL IN
body_inside_diameter	4.000 INCHES NOMINAL IN
body_outside_diameter	4.500 INCHES NOMINAL IN
seating_surface_shape	ANGULAR
end_item_identification	NIMITZ CLASS CVN
flange_seat_to_disk_end_height	0.937 INCHES NOMINAL IN
material_document_and_classification	ASTM A105,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	4820-01-432-9306

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 0.937 INCHES NOMINAL IN

•

FLANGE DIAMETER: 4.895 INCHES NOMINAL IN

•

BODY OUTSIDE DIAMETER: 4.500 INCHES NOMINAL IN

•

STYLE DESIGNATOR: PLAIN FLANGED

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A105,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

BODY INSIDE DIAMETER: 4.000 INCHES NOMINAL IN

•

UNDER FLANGE HEIGHT: 0.102 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	0.937 INCHES NOMINAL IN
FLANGE DIAMETER	4.895 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER	4.500 INCHES NOMINAL IN
STYLE DESIGNATOR	PLAIN FLANGED
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A105,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER	4.000 INCHES NOMINAL IN
SPECIAL FEATURES	FACE TRIMED IN STELLITE
UNDER FLANGE HEIGHT	0.102 INCHES NOMINAL IN
END ITEM IDENTIFICATION	NIMITZ CLASS CVN
MATERIAL	STEEL CORROSION RESISTING OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

83309-37 ITEM NO.4Reference document

Same NSN cross-reference

Reference document — Secondary reference

83309-37Reference 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 8543-009-002S?

8543-009-002S is a SEAT,VALVE.

What parts can replace 8543-009-002S?

There are 2 known substitutes for 8543-009-002S: 83309-37 ITEM NO.4, 83309-37. Substitute compatibility should be verified for your specific system.

What is the NSN for 8543-009-002S?

8543-009-002S is cataloged in the U.S. Government catalog under NSN 4820-01-432-9306. This indicates validated use in U.S. government and defense supply chains.

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8543-009-002S — SEAT,VALVE

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