254844 PC 11 — DISK,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

254844 PC 11: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, seat_angle: 30.0 DEGREES NOMINAL, inside_depth: 0.688 INCHES NOMINAL IN, overall_height: 1.188 INCHES NOMINAL IN, shank_diameter: 0.813 INCHES NOMINAL IN, flange_diameter: 1.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-487-8025, 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

254844 PC 11

NSN: 4820-01-487-8025
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)

SPECIFICATIONS

material	COPPER ALLOY
seat_angle	30.0 DEGREES NOMINAL
inside_depth	0.688 INCHES NOMINAL IN
overall_height	1.188 INCHES NOMINAL IN
shank_diameter	0.813 INCHES NOMINAL IN
flange_diameter	1.438 INCHES NOMINAL IN
inside_diameter	0.406 INCHES NOMINAL IN
style_designator	POPPET
under_flange_height	0.500 INCHES NOMINAL IN
end_item_identification	USED ON SSN 688 WITHOUT CHANGE FROM THE MANIFOLD USED ON SSN 837. FURTHER SHOCK QUALIFICATION NOT REQUIRED.
media_for_which_designed	LIQUID
NSN	4820-01-487-8025

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.813 INCHES NOMINAL IN

•

FLANGE DIAMETER: 1.438 INCHES NOMINAL IN

•

INSIDE DEPTH: 0.688 INCHES NOMINAL IN

•

STYLE DESIGNATOR: POPPET

•

SEAT ANGLE: 30.0 DEGREES NOMINAL

•

INSIDE DIAMETER: 0.406 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.813 INCHES NOMINAL IN
FLANGE DIAMETER	1.438 INCHES NOMINAL IN
OVERALL HEIGHT	1.188 INCHES NOMINAL IN
INSIDE DEPTH	0.688 INCHES NOMINAL IN
STYLE DESIGNATOR	POPPET
SEAT ANGLE	30.0 DEGREES NOMINAL
INSIDE DIAMETER	0.406 INCHES NOMINAL IN
SPECIAL FEATURES	NEXT HIGHER ASSEMBLY P/N 254844, MANIFOLD 3/4 STOP CHECK DISTILLING SYSTEM. MATERIAL IS QQ-C-390 ALLOY D5. SHANK HAS 3 RIBS EQUALLY SPACED WITH 1 HOLE 0.094 INCH DIAMETER 0.250 INCH FROM END. FLANGE HAS ONE HOLE 0.062 INCH DIAMETER AT SHANK. IN
UNDER FLANGE HEIGHT	0.500 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNED	LIQUID

SUBSTITUTES & CROSS-REFERENCES 1

254844Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 254844 PC 11?

254844 PC 11 is a DISK,VALVE.

What parts can replace 254844 PC 11?

There is 1 known substitute for 254844 PC 11: 254844. Substitute compatibility should be verified for your specific system.

What is the NSN for 254844 PC 11?

254844 PC 11 is cataloged in the U.S. Government catalog under NSN 4820-01-487-8025. This indicates validated use in U.S. government and defense supply chains.

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