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31-111 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include color: RED LENS, phase: SINGLE, shape: ROUND, material: STEEL, disk_type: SINGLE, duty_type: CONTINUOUS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-121-0535, 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
31-111
NSN: 4810-00-121-0535
FSC: 4810
CAGE: 82271 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC CARTRIDGE SYSTEMS DIVISION (USA)
SPECIFICATIONS
colorRED LENS
phaseSINGLE
shapeROUND
materialSTEEL
disk_typeSINGLE
duty_typeCONTINUOUS
thickness0.250 INCHES NOMINAL IN
current_typeAC
disk_diameter12.000 INCHES NOMINAL IN
mounting_typeFLOOR SURFACE, FREE STANDING
overall_depth8.000 INCHES NOMINAL IN
current_rating0.800 AMPERES NOMINAL
NSN4810-00-121-0535
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31-111 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL; 2.250 IN. O/A LG; 0.625 IN. OD; GROOVED ON LENGTH AXIS,GROOVE WIDTH 0.120 IN.;DEPTH 0.120 IN. IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; 2.250 IN. O/A LG; 0.625 IN. OD; GROOVED ON LENGTH AXIS,GROOVE WIDTH 0.120 IN.;DEPTH 0.120 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
31-111Interchangeable
interchangeable cross-reference
interchangeable
31-105Interchangeable
interchangeable cross-reference
interchangeable
31-122Interchangeable
interchangeable cross-reference
interchangeable
65729Interchangeable
interchangeable cross-reference
interchangeable
1190Interchangeable
interchangeable cross-reference
interchangeable
8858050Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31-111?
31-111 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 31-111?
There are 11 known substitutes for 31-111: 31-111, 31-105, 31-122 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-111?
31-111 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-121-0535. 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