D49918 ITEM 5 — DISK,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

D49918 ITEM 5: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_height: 3.930 INCHES NOMINAL IN, inside_diameter: 4.000 INCHES NOMINAL IN, outside_diameter: 4.370 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-169-1977, 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

D49918 ITEM 5

NSN: 4820-01-169-1977
FSC: 4820 — Valves, Nonpowered
CAGE: 34889 — HUNT VALVE COMPANY INC DBA UNION FLONETICS (USA)

SPECIFICATIONS

material	NICKEL ALLOY
overall_height	3.930 INCHES NOMINAL IN
inside_diameter	4.000 INCHES NOMINAL IN
outside_diameter	4.370 INCHES NOMINAL IN
NSN	4820-01-169-1977

COMPONENT DIAGRAM

KEY FEATURES

•

OUTSIDE DIAMETER: 4.370 INCHES NOMINAL IN

•

INSIDE DIAMETER: 4.000 INCHES NOMINAL IN

•

MATERIAL: NICKEL ALLOY

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	3.930 INCHES NOMINAL IN
OUTSIDE DIAMETER	4.370 INCHES NOMINAL IN
INSIDE DIAMETER	4.000 INCHES NOMINAL IN
MATERIAL	NICKEL ALLOY

SUBSTITUTES & CROSS-REFERENCES 3

D49918Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

A49531-2Reference document

Same NSN cross-reference

Reference document — Secondary reference

A49531-2MFDReference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 D49918 ITEM 5?

D49918 ITEM 5 is a DISK,VALVE.

What parts can replace D49918 ITEM 5?

There are 3 known substitutes for D49918 ITEM 5: D49918, A49531-2, A49531-2MFD. Substitute compatibility should be verified for your specific system.

What is the NSN for D49918 ITEM 5?

D49918 ITEM 5 is cataloged in the U.S. Government catalog under NSN 4820-01-169-1977. This indicates validated use in U.S. government and defense supply chains.

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