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7590-39-1-AA — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7590-39-1-AA: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include special_features: USED ON WEDGE GATE VALVE, seating_surface_shape: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-382-8773, 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
7590-39-1-AA
NSN: 4820-01-382-8773
FSC: 4820 — Valves, Nonpowered
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
special_featuresUSED ON WEDGE GATE VALVE
seating_surface_shapeO-RING
NSN4820-01-382-8773
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7590-39-1-AA · 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
•
SEATING SURFACE SHAPE: O-RING
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESUSED ON WEDGE GATE VALVE
SEATING SURFACE SHAPEO-RING
SUBSTITUTES & CROSS-REFERENCES 3
N-11398-1-3 PIECE 5 10INSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
604716Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B/M 534207 PIECE 19Same 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 7590-39-1-AA?
7590-39-1-AA is a SEAT,VALVE.
What parts can replace 7590-39-1-AA?
There are 3 known substitutes for 7590-39-1-AA: N-11398-1-3 PIECE 5 10IN, 604716, B/M 534207 PIECE 19. Substitute compatibility should be verified for your specific system.
What is the NSN for 7590-39-1-AA?
7590-39-1-AA is cataloged in the U.S. Government catalog under NSN 4820-01-382-8773. 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.