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21140-1007-1 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21140-1007-1: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include width: 0.306 INCHES NOMINAL IN, length: 0.719 INCHES NOMINAL IN, radius: 0.484 INCHES NOMINAL IN, material: STEEL COMP 416, thickness: 0.187 INCHES NOMINAL IN, top_style: CYLINDRICAL HEAD. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-437-5541, 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
21140-1007-1
NSN: 4820-01-437-5541
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
width0.306 INCHES NOMINAL IN
length0.719 INCHES NOMINAL IN
radius0.484 INCHES NOMINAL IN
materialSTEEL COMP 416
thickness0.187 INCHES NOMINAL IN
top_styleCYLINDRICAL HEAD
body_styleSINGLE INLINE
body_width0.187 INCHES MAXIMUM IN
shaft_typeROUND, FLATTED SINGLE ACTUATOR
body_height0.562 INCHES MAXIMUM IN
body_length2.062 INCHES MAXIMUM IN
design_typeTUBULAR
NSN4820-01-437-5541
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21140-1007-1 · 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 2
21140Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
21140 FIND 11Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 21140-1007-1?
21140-1007-1 is a PISTON,VALVE.
What parts can replace 21140-1007-1?
There are 2 known substitutes for 21140-1007-1: 21140, 21140 FIND 11. Substitute compatibility should be verified for your specific system.
What is the NSN for 21140-1007-1?
21140-1007-1 is cataloged in the U.S. Government catalog under NSN 4820-01-437-5541. This indicates validated use in U.S. government and defense supply chains.
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