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803-4384536-41AX-89 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-4384536-41AX-89: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_length: 5.078 INCHES NOMINAL IN, features_provided: GROOVED, end_item_identification: W/S DESIGNATOR NIMITZ CLASS CVN, stem_actuating_end_type: THREADED EXTERNALLY, largest_outside_diameter: 0.743 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-480-6588, 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
803-4384536-41AX-89
NSN: 4820-01-480-6588
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length5.078 INCHES NOMINAL IN
special_featuresNEXT HIGHER ASSEMBLY P/N 803-4384536-41XX; 4820-00-483-0699, 4820-01-212-2571, 4820-01-359-6351, 4820-01-162-6330, 4820-01-258-7210
features_providedGROOVED
end_item_identificationW/S DESIGNATOR NIMITZ CLASS CVN
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter0.743 INCHES NOMINAL IN
valve_size_for_which_designed0.750 INCHES IN
valve_type_for_which_designedGLOBE
material_document_and_classificationASTM B164 ASSN STD SINGLE MATERIAL RESPONSE AND QQ-N-281, ALTERNATE MATERIAL FED SPEC SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designed803-4384536-41XX
NSN4820-01-480-6588
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-4384536-41AX-89 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
VALVE TYPE FOR WHICH DESIGNED: GLOBE
•
LARGEST OUTSIDE DIAMETER: 0.743 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 803-4384536-41XX
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE AND QQ-N-281, ALTERNATE MATERIAL FED SPEC SINGLE MATERIAL RESPONSE
•
FEATURES PROVIDED: GROOVED
•
VALVE SIZE FOR WHICH DESIGNED: 0.750 INCHES IN
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDGLOBE
LARGEST OUTSIDE DIAMETER0.743 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED EXTERNALLY
VALVE MODEL NUMBER FOR WHICH DESIGNED803-4384536-41XX
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 ASSN STD SINGLE MATERIAL RESPONSE AND QQ-N-281, ALTERNATE MATERIAL FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH5.078 INCHES NOMINAL IN
FEATURES PROVIDEDGROOVED
VALVE SIZE FOR WHICH DESIGNED0.750 INCHES IN
SPECIAL FEATURESNEXT HIGHER ASSEMBLY P/N 803-4384536-41XX; 4820-00-483-0699, 4820-01-212-2571, 4820-01-359-6351, 4820-01-162-6330, 4820-01-258-7210
END ITEM IDENTIFICATIONW/S DESIGNATOR NIMITZ CLASS CVN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 3
84360-.75 INCH PC 18Reference document
Same NSN cross-reference
Reference document — Secondary reference
28180-EReference document
Same NSN cross-reference
Reference document — Secondary reference
803-4384536Reference 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 803-4384536-41AX-89?
803-4384536-41AX-89 is a STEM,FLUID VALVE.
What parts can replace 803-4384536-41AX-89?
There are 3 known substitutes for 803-4384536-41AX-89: 84360-.75 INCH PC 18, 28180-E, 803-4384536. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-4384536-41AX-89?
803-4384536-41AX-89 is cataloged in the U.S. Government catalog under NSN 4820-01-480-6588. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.