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31837 ✓ Verified by PartsTable
Aquabeads · 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 DIAPHRAGM,VALVE,FLAT is a Aquabeads industrial component. Key specifications include material: ALUMINUM, outside_diameter: 5.250 INCHES NOMINAL IN, special_features: CLASSIC SIZE; 5 1/2 X 8 1/2 IN. IN, style_designator: FLAT, material_thickness: 0.219 INCHES NOMINAL IN, center_hole_diameter: 1.000 INCHES NOMINAL IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-222-8449, 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
31837
NSN: 4820-01-222-8449
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialALUMINUM
outside_diameter5.250 INCHES NOMINAL IN
special_featuresCLASSIC SIZE; 5 1/2 X 8 1/2 IN. IN
style_designatorFLAT
material_thickness0.219 INCHES NOMINAL IN
center_hole_diameter1.000 INCHES NOMINAL IN
general_characteristics_item_descriptionFOR THE ULTIMATE ORGANIZER; PHOTO HOLDER
NSN4820-01-222-8449
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31837 · Aquabeads ⚠ 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 THICKNESS: 0.219 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
OUTSIDE DIAMETER: 5.250 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM
•
CENTER HOLE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.219 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
OUTSIDE DIAMETER5.250 INCHES NOMINAL IN
MATERIALALUMINUM
CENTER HOLE DIAMETER1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
14801NPC27Interchangeable
interchangeable cross-reference
interchangeable
14801NInterchangeable
interchangeable cross-reference
interchangeable
N38059Interchangeable
interchangeable cross-reference
interchangeable
LAPN1 W/A 39141 2T20PSIInterchangeable
interchangeable cross-reference
interchangeable
14801N AND LAPN1 2T20PSIInterchangeable
interchangeable cross-reference
interchangeable
14801N PIECE 28Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31837?
31837 is a DIAPHRAGM,VALVE,FLAT manufactured by Aquabeads.
What parts can replace 31837?
There are 15 known substitutes for 31837: 14801NPC27, 14801N, N38059 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31837?
31837 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-222-8449. 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