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310E258 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

310E258: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, outside_diameter: 4.000 INCHES NOMINAL IN, style_designator: BUTTERFLY, end_item_identification: D-SERIES BUTTERFLY VALVES. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-121-8781, 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
310E258
NSN: 4820-01-121-8781
FSC: 4820 — Valves, Nonpowered
CAGE: 91363 — NORRISEAL NORRIS VALUES DIV DBA DOVER CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
outside_diameter4.000 INCHES NOMINAL IN
style_designatorBUTTERFLY
end_item_identificationD-SERIES BUTTERFLY VALVES
NSN4820-01-121-8781
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 310E258 · 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: 4.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BUTTERFLY
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
STYLE DESIGNATORBUTTERFLY
END ITEM IDENTIFICATIOND-SERIES BUTTERFLY VALVES
MATERIALSTEEL CORROSION RESISTING
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
51310E258Reference 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 310E258?
310E258 is a DISK,VALVE.
What parts can replace 310E258?
There is 1 known substitute for 310E258: 51310E258. Substitute compatibility should be verified for your specific system.
What is the NSN for 310E258?
310E258 is cataloged in the U.S. Government catalog under NSN 4820-01-121-8781. This indicates validated use in U.S. government and defense supply chains.
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