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20361-1020 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20361-1020: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 1.471 INCHES NOMINAL IN, inside_diameter: 0.251 INCHES NOMINAL IN, outside_diameter: 0.372 INCHES NOMINAL IN, valve_size_for_which_designed: 1.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-153-2691, 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
20361-1020
NSN: 4820-01-153-2691
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length1.471 INCHES NOMINAL IN
inside_diameter0.251 INCHES NOMINAL IN
outside_diameter0.372 INCHES NOMINAL IN
valve_size_for_which_designed1.000 INCHES IN
NSN4820-01-153-2691
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20361-1020 · 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
•
OUTSIDE DIAMETER: 0.372 INCHES NOMINAL IN
•
VALVE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
•
INSIDE DIAMETER: 0.251 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.372 INCHES NOMINAL IN
OVERALL LENGTH1.471 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED1.000 INCHES IN
INSIDE DIAMETER0.251 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
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 1
20361-002 FIND 8Reference 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 20361-1020?
20361-1020 is a PISTON,VALVE.
What parts can replace 20361-1020?
There is 1 known substitute for 20361-1020: 20361-002 FIND 8. Substitute compatibility should be verified for your specific system.
What is the NSN for 20361-1020?
20361-1020 is cataloged in the U.S. Government catalog under NSN 4820-01-153-2691. 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.