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390 6698 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

390 6698: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: SEAL,RECTANGULAR RING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-157-4359, 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
390 6698
NSN: 4820-01-157-4359
NIINs: 011574359, 012976308
FSC: 4820 — Valves, Nonpowered
CAGE: 34914 — HIAB USA INC (USA)
SPECIFICATIONS
end_item_identification2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR); 3990-01-444-5196 CEMENT MIXER; RG-31 MRAP; MEDIUM MINE PROTECTED VEHICLE - MMPV
part_name_assigned_by_controlling_agencySEAL,RECTANGULAR RING
NSN4820-01-157-4359
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 390 6698 · 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
2BA899Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 390 6698?
390 6698 is a PISTON,VALVE.
What parts can replace 390 6698?
There is 1 known substitute for 390 6698: 2BA899. Substitute compatibility should be verified for your specific system.
What is the NSN for 390 6698?
390 6698 is cataloged in the U.S. Government catalog under NSN 4820-01-157-4359. This indicates validated use in U.S. government and defense supply chains.
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