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2BA899 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2BA899: 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
2BA899
NSN: 4820-01-157-4359
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (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: 2BA899 · 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

No substitute or cross-reference records for this part.

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 2BA899?
2BA899 is a PISTON,VALVE.
What is the NSN for 2BA899?
2BA899 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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✓ 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.