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522938 — PARTS KIT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

522938: PARTS KIT,VALVE.

The PARTS KIT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 10-1/2, inside_diameter: 0.393 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 1.938 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-582-2979, 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
522938
NSN: 4820-00-582-2979
FSC: 4820 — Valves, Nonpowered
CAGE: 59864 — DISTRIBUT AIR MANUFACTURING COMPANY DBA DISBRIBUT AIR (USA)
SPECIFICATIONS
materialSTEEL UNS K08500 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity10-1/2
inside_diameter0.393 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length1.938 INCHES NOMINAL IN
spring_solid_length0.718 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_solid_outside_diameter0.470 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
material_document_and_classificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-00-582-2979
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 522938 · 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 1
506558Reference 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 522938?
522938 is a PARTS KIT,VALVE.
What parts can replace 522938?
There is 1 known substitute for 522938: 506558. Substitute compatibility should be verified for your specific system.
What is the NSN for 522938?
522938 is cataloged in the U.S. Government catalog under NSN 4820-00-582-2979. 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.