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Technical Data Sheet

471/2U 4IN STEM — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

471/2U 4IN STEM: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410, features_provided: RISING STEM, stem_actuating_end_type: THREADED EXTERNALLY, valve_size_for_which_designed: 4.000 INCHES IN, valve_type_for_which_designed: GATE, valve_model_number_for_which_designed: 47 1/2U. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-239-9050, 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
471/2U 4IN STEM
NSN: 4820-01-239-9050
FSC: 4820 — Valves, Nonpowered
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 410
features_providedRISING STEM
stem_actuating_end_typeTHREADED EXTERNALLY
valve_size_for_which_designed4.000 INCHES IN
valve_type_for_which_designedGATE
valve_model_number_for_which_designed47 1/2U
NSN4820-01-239-9050
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 471/2U 4IN STEM · 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: GATE
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 47 1/2U
•
FEATURES PROVIDED: RISING STEM
•
VALVE SIZE FOR WHICH DESIGNED: 4.000 INCHES IN
•
MATERIAL: STEEL COMP 410
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDGATE
STEM ACTUATING END TYPETHREADED EXTERNALLY
VALVE MODEL NUMBER FOR WHICH DESIGNED47 1/2U
FEATURES PROVIDEDRISING STEM
VALVE SIZE FOR WHICH DESIGNED4.000 INCHES IN
MATERIALSTEEL COMP 410
SUBSTITUTES & CROSS-REFERENCES 1
32857Reference 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 471/2U 4IN STEM?
471/2U 4IN STEM is a STEM,FLUID VALVE.
What parts can replace 471/2U 4IN STEM?
There is 1 known substitute for 471/2U 4IN STEM: 32857. Substitute compatibility should be verified for your specific system.
What is the NSN for 471/2U 4IN STEM?
471/2U 4IN STEM is cataloged in the U.S. Government catalog under NSN 4820-01-239-9050. 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.