2401-443 PART 20 — STEM,FLUID VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

2401-443 PART 20: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, stem_actuating_end_type: THREADED EXTERNALLY, valve_size_for_which_designed: 4.000 INCHES IN, valve_type_for_which_designed: LIFT-CHECK, material_document_and_classification: QQ-N-286, CLASS HF OR AH FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-162-6551, 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

2401-443 PART 20

NSN: 4820-01-162-6551
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)

SPECIFICATIONS

material	NICKEL ALLOY
stem_actuating_end_type	THREADED EXTERNALLY
valve_size_for_which_designed	4.000 INCHES IN
valve_type_for_which_designed	LIFT-CHECK
material_document_and_classification	QQ-N-286, CLASS HF OR AH FED SPEC SINGLE MATERIAL RESPONSE
NSN	4820-01-162-6551

COMPONENT DIAGRAM

KEY FEATURES

•

VALVE TYPE FOR WHICH DESIGNED: LIFT-CHECK

•

STEM ACTUATING END TYPE: THREADED EXTERNALLY

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286, CLASS HF OR AH FED SPEC SINGLE MATERIAL RESPONSE

•

VALVE SIZE FOR WHICH DESIGNED: 4.000 INCHES IN

•

MATERIAL: NICKEL ALLOY

TECHNICAL CHARACTERISTICS

VALVE TYPE FOR WHICH DESIGNED	LIFT-CHECK
STEM ACTUATING END TYPE	THREADED EXTERNALLY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286, CLASS HF OR AH FED SPEC SINGLE MATERIAL RESPONSE
VALVE SIZE FOR WHICH DESIGNED	4.000 INCHES IN
MATERIAL	NICKEL ALLOY

SUBSTITUTES & CROSS-REFERENCES 2

506-5588397Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

2401-443Reference 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 2401-443 PART 20?

2401-443 PART 20 is a STEM,FLUID VALVE.

What parts can replace 2401-443 PART 20?

There are 2 known substitutes for 2401-443 PART 20: 506-5588397, 2401-443. Substitute compatibility should be verified for your specific system.

What is the NSN for 2401-443 PART 20?

2401-443 PART 20 is cataloged in the U.S. Government catalog under NSN 4820-01-162-6551. This indicates validated use in U.S. government and defense supply chains.

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2401-443 PART 20 — STEM,FLUID VALVE

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