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P590A-2 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

P590A-2: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, end_item_identification: 4120-01-307-9127, stem_actuating_end_type: THREADED INTERNALLY, valve_size_for_which_designed: 0.125 INCHES AND 0.250 INCHES IN, valve_type_for_which_designed: REGULATOR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-415-7282, 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
P590A-2
NSN: 4820-01-415-7282
FSC: 4820 — Valves, Nonpowered
CAGE: 58553 — SUPERIOR VALVE CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY
end_item_identification4120-01-307-9127
stem_actuating_end_typeTHREADED INTERNALLY
valve_size_for_which_designed0.125 INCHES AND 0.250 INCHES IN
valve_type_for_which_designedREGULATOR
NSN4820-01-415-7282
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P590A-2 · 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: REGULATOR
•
STEM ACTUATING END TYPE: THREADED INTERNALLY
•
VALVE SIZE FOR WHICH DESIGNED: 0.125 INCHES AND 0.250 INCHES IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDREGULATOR
STEM ACTUATING END TYPETHREADED INTERNALLY
VALVE SIZE FOR WHICH DESIGNED0.125 INCHES AND 0.250 INCHES IN
END ITEM IDENTIFICATION4120-01-307-9127
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
1000679-P6Same 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 P590A-2?
P590A-2 is a STEM,FLUID VALVE.
What parts can replace P590A-2?
There is 1 known substitute for P590A-2: 1000679-P6. Substitute compatibility should be verified for your specific system.
What is the NSN for P590A-2?
P590A-2 is cataloged in the U.S. Government catalog under NSN 4820-01-415-7282. 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.