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SS845-2050575 — RETAINER,SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SS845-2050575: RETAINER,SEAT,VALVE.

The RETAINER,SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, outside_diameter: 4.875 INCHES NOMINAL IN, valve_design_control_activity: 53711. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-066-6553, 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
SS845-2050575
NSN: 4820-01-066-6553
NIINs: 010666553, 010669526
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
outside_diameter4.875 INCHES NOMINAL IN
valve_design_control_activity53711
NSN4820-01-066-6553
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS845-2050575 · 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: 4.875 INCHES NOMINAL IN
•
VALVE DESIGN CONTROL ACTIVITY: 53711
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER4.875 INCHES NOMINAL IN
VALVE DESIGN CONTROL ACTIVITY53711
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
SS845-2050575 PReference 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 SS845-2050575?
SS845-2050575 is a RETAINER,SEAT,VALVE.
What parts can replace SS845-2050575?
There is 1 known substitute for SS845-2050575: SS845-2050575 P. Substitute compatibility should be verified for your specific system.
What is the NSN for SS845-2050575?
SS845-2050575 is cataloged in the U.S. Government catalog under NSN 4820-01-066-6553. 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.