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PartsTable / COMPONENT / SS845-1889557
SS845-1889557 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, material_document_and_classification: ASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-110-1270, 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
SS845-1889557
NSN: 4820-01-110-1270
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
material_document_and_classificationASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-01-110-1270
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS845-1889557 · 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
•
MATERIAL: STEEL CORROSION RESISTING
•
LARGEST OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING
OVERALL LENGTH17.000 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
SS845-1889557ASSYAS3IN PIECE 69Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889557Interchangeable
interchangeable cross-reference
interchangeable
2620-922X4Interchangeable
interchangeable cross-reference
interchangeable
2620-922X4ASSYGS3INPIECE44Interchangeable
interchangeable cross-reference
interchangeable
845-1889557ASSYG3IN PIECE 15Interchangeable
interchangeable cross-reference
interchangeable
2620-922X4ASSYG3IN PIECE 15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS845-1889557?
SS845-1889557 is a STEM,FLUID VALVE.
What parts can replace SS845-1889557?
There are 6 known substitutes for SS845-1889557: SS845-1889557ASSYAS3IN PIECE 69, SS845-1889557, 2620-922X4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SS845-1889557?
SS845-1889557 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-110-1270. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026