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SK-1031 ✓ 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 VALVE,ROTARY,SELECTOR is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-569-2681, 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
SK-1031
NSN: 4820-00-569-2681
FSC: 4820
CAGE: 70411 — ANDERSON BRASS CO (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
NSN4820-00-569-2681
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SK-1031 · 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
•
BODY MATERIAL: COPPER ALLOY
•
CONNECTION TYPE: THREADED INTERNAL PIPE
•
CONNECTION LOCATION: SIDE
•
VALVE OPERATION METHOD: MANUAL
•
CONNECTION QUANTITY: 6
•
THREAD SERIES DESIGNATOR: NPT
•
NOMINAL THREAD SIZE: 0.375 INCHES AND 0.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY MATERIALCOPPER ALLOY
CONNECTION TYPETHREADED INTERNAL PIPE
CONNECTION LOCATIONSIDE
VALVE OPERATION METHODMANUAL
CONNECTION QUANTITY6
THREAD SERIES DESIGNATORNPT
NOMINAL THREAD SIZE0.375 INCHES AND 0.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
RO0044Interchangeable
interchangeable cross-reference
interchangeable
51-2Interchangeable
interchangeable cross-reference
interchangeable
RO0011Interchangeable
interchangeable cross-reference
interchangeable
SK-1031Interchangeable
interchangeable cross-reference
interchangeable
FLUKE51Interchangeable
interchangeable cross-reference
interchangeable
11380PC3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SK-1031?
SK-1031 is a VALVE,ROTARY,SELECTOR.
What parts can replace SK-1031?
There are 6 known substitutes for SK-1031: RO0044, 51-2, RO0011 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SK-1031?
SK-1031 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-569-2681. 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