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3341899 — STEM,TEST VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3341899: STEM,TEST VALVE.

The STEM,TEST VALVE is a the manufacturer industrial component. Key specifications include features_provided: HERMETICALLY SEALED AND MONOLITHIC AND PROGRAMMABLE, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC, memory_device_type: ROM, operating_temp_range: -55.0 TO 125.0 CELSIUS DEGC, input_circuit_pattern: 10 INPUT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-858-0097, 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
3341899
NSN: 4820-00-858-0097
FSC: 4820 — Valves, Nonpowered
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
features_providedHERMETICALLY SEALED AND MONOLITHIC AND PROGRAMMABLE
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC
memory_device_typeROM
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern10 INPUT
inclosure_configurationDUAL-IN-LINE
terminal_surface_treatmentSOLDER
NSN4820-00-858-0097
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3341899 · 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
SUBSTITUTES & CROSS-REFERENCES 1
3329521Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 3341899?
3341899 is a STEM,TEST VALVE.
What parts can replace 3341899?
There is 1 known substitute for 3341899: 3329521. Substitute compatibility should be verified for your specific system.
What is the NSN for 3341899?
3341899 is cataloged in the U.S. Government catalog under NSN 4820-00-858-0097. 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.