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02191-1154-23 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

02191-1154-23: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON, hole_diameter: 0.500 INCHES NOMINAL IN, outside_diameter: 9.875 INCHES NOMINAL IN, material_thickness: 0.050 INCHES NOMINAL IN, bolt_circle_diameter: 8.812 INCHES NOMINAL IN, center_hole_diameter: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-167-4206, 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
02191-1154-23
NSN: 4820-00-167-4206
FSC: 4820 — Valves, Nonpowered
CAGE: 93568 — HARSCO CORP BMY-COMBAT SYSTEMS DIV (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
hole_diameter0.500 INCHES NOMINAL IN
outside_diameter9.875 INCHES NOMINAL IN
bolt_hole_quantity8
material_thickness0.050 INCHES NOMINAL IN
bolt_circle_diameter8.812 INCHES NOMINAL IN
center_hole_diameter0.625 INCHES NOMINAL IN
NSN4820-00-167-4206
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 02191-1154-23 · 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: 9.875 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 8
•
BOLT CIRCLE DIAMETER: 8.812 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON
•
HOLE DIAMETER: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER9.875 INCHES NOMINAL IN
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
BOLT HOLE QUANTITY8
BOLT CIRCLE DIAMETER8.812 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.625 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON
HOLE DIAMETER0.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
3040-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 02191-1154-23?
02191-1154-23 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 02191-1154-23?
There is 1 known substitute for 02191-1154-23: 3040-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 02191-1154-23?
02191-1154-23 is cataloged in the U.S. Government catalog under NSN 4820-00-167-4206. 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.