8541-004-002-S — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

8541-004-002-S: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, overall_height: 0.500 INCHES NOMINAL IN, special_features: SEAT FOR 2-1/2IN. BOLTED COVER SWING CHECK VALVE IN, style_designator: PLAIN, seat_angle_in_deg: 30.000 NOMINAL, body_inside_diameter: 2.500 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-433-7895, 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

8541-004-002-S

NSN: 4820-01-433-7895
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)

SPECIFICATIONS

material	STEEL BODY
overall_height	0.500 INCHES NOMINAL IN
special_features	SEAT FOR 2-1/2IN. BOLTED COVER SWING CHECK VALVE IN
style_designator	PLAIN
seat_angle_in_deg	30.000 NOMINAL
body_inside_diameter	2.500 INCHES NOMINAL IN
body_outside_diameter	3.000 INCHES NOMINAL IN
seating_surface_shape	ANGULAR
end_item_identification	NAVY WEAPONS SYSTEMS FB
material_document_and_classification	ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
NSN	4820-01-433-7895

COMPONENT DIAGRAM

KEY FEATURES

•

BODY OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN

•

STYLE DESIGNATOR: PLAIN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY

•

BODY INSIDE DIAMETER: 2.500 INCHES NOMINAL IN

•

MATERIAL: STEEL BODY

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.500 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER	3.000 INCHES NOMINAL IN
STYLE DESIGNATOR	PLAIN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
BODY INSIDE DIAMETER	2.500 INCHES NOMINAL IN
SPECIAL FEATURES	SEAT FOR 2-1/2IN. BOLTED COVER SWING CHECK VALVE IN
END ITEM IDENTIFICATION	NAVY WEAPONS SYSTEMS FB
MATERIAL	STEEL BODY
SEAT ANGLE IN DEG	30.000 NOMINAL
SEATING SURFACE SHAPE	ANGULAR

SUBSTITUTES & CROSS-REFERENCES 2

73811-13 ITEM 04 2 1/2INSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

73811-13Reference 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 8541-004-002-S?

8541-004-002-S is a SEAT,VALVE.

What parts can replace 8541-004-002-S?

There are 2 known substitutes for 8541-004-002-S: 73811-13 ITEM 04 2 1/2IN, 73811-13. Substitute compatibility should be verified for your specific system.

What is the NSN for 8541-004-002-S?

8541-004-002-S is cataloged in the U.S. Government catalog under NSN 4820-01-433-7895. This indicates validated use in U.S. government and defense supply chains.

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8541-004-002-S — SEAT,VALVE

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