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21732-42 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21732-42: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_length: 7.125 INCHES NOMINAL IN, stem_actuating_end_type: THREADED EXTERNALLY, largest_outside_diameter: 1.500 INCHES NOMINAL IN, valve_size_for_which_designed: 1.500 INCHES IN, valve_type_for_which_designed: RELIEF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-230-6750, 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
21732-42
NSN: 4820-01-230-6750
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length7.125 INCHES NOMINAL IN
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter1.500 INCHES NOMINAL IN
valve_size_for_which_designed1.500 INCHES IN
valve_type_for_which_designedRELIEF
NSN4820-01-230-6750
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21732-42 · 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: RELIEF
•
LARGEST OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE SIZE FOR WHICH DESIGNED: 1.500 INCHES IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDRELIEF
LARGEST OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED EXTERNALLY
OVERALL LENGTH7.125 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED1.500 INCHES IN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
N-465Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
N-465 PIECE 5Same 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 21732-42?
21732-42 is a STEM,FLUID VALVE.
What parts can replace 21732-42?
There are 2 known substitutes for 21732-42: N-465, N-465 PIECE 5. Substitute compatibility should be verified for your specific system.
What is the NSN for 21732-42?
21732-42 is cataloged in the U.S. Government catalog under NSN 4820-01-230-6750. 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.