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859A12BB44 — SEAL ASSEMBLY,SHAFT,SPRING LOADE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

859A12BB44: SEAL ASSEMBLY,SHAFT,SPRING LOADE.

SEAL ASSEMBLY,SHAFT,SPRING LOADE. Key specifications include FSC APPLICATION DATA: VALVE ANG .50IPS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-037-4135, 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
859A12BB44
NSN: 4820-01-037-4135
FSC: 4820 — Valves, Nonpowered
CAGE: 99657 — MAROTTA CONTROLS INC (USA)
SPECIFICATIONS
FSC APPLICATION DATAVALVE ANG .50IPS
NSN4820-01-037-4135
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 859A12BB44 · 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
•
FSC APPLICATION DATA: VALVE ANG .50IPS
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAVALVE ANG .50IPS
SUBSTITUTES & CROSS-REFERENCES 2
68224-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
68224-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 859A12BB44?
859A12BB44 is a SEAL ASSEMBLY,SHAFT,SPRING LOADE.
What parts can replace 859A12BB44?
There are 2 known substitutes for 859A12BB44: 68224-5, 68224-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 859A12BB44?
859A12BB44 is cataloged in the U.S. Government catalog under NSN 4820-01-037-4135. 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.