999 3738 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

999 3738: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-157-4249, 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

999 3738

NSN: 4820-01-157-4249
FSC: 4820 — Valves, Nonpowered
CAGE: 34914 — HIAB USA INC (USA)

SPECIFICATIONS

Part Number	999 3738
NSN	4820-01-157-4249

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 2

3473881Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

2AT775Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 999 3738?

999 3738 is a VALVE,CHECK.

What parts can replace 999 3738?

There are 2 known substitutes for 999 3738: 3473881, 2AT775. Substitute compatibility should be verified for your specific system.

What is the NSN for 999 3738?

999 3738 is cataloged in the U.S. Government catalog under NSN 4820-01-157-4249. This indicates validated use in U.S. government and defense supply chains.

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