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Technical Data Sheet
PartsTable / COMPONENT / 05-666-2191-27
05-666-2191-27 ✓ 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

PARTS KIT,PRESSURE REGULATING VA. Key specifications include nonsupply_items_and_quantities: DIAPHRAGM,SYNTHETIC RUBBER 1;O-RING,SYNTHETIC RUBBER 5. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-456-1290, 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
05-666-2191-27
NSN: 4820-00-456-1290
FSC: 4820
CAGE: 55683 — WHEELER FLEET SOLUTIONS, CO. (USA)
SPECIFICATIONS
component_quantity6
nonsupply_items_and_quantitiesDIAPHRAGM,SYNTHETIC RUBBER 1;O-RING,SYNTHETIC RUBBER 5
NSN4820-00-456-1290
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 05-666-2191-27 · 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
•
NONSUPPLY ITEMS AND QUANTITIES: DIAPHRAGM,SYNTHETIC RUBBER 1;O-RING,SYNTHETIC RUBBER 5
•
COMPONENT QUANTITY: 6
TECHNICAL CHARACTERISTICS (FLIS)
NONSUPPLY ITEMS AND QUANTITIESDIAPHRAGM,SYNTHETIC RUBBER 1;O-RING,SYNTHETIC RUBBER 5
COMPONENT QUANTITY6
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
103906Interchangeable
interchangeable cross-reference
interchangeable
PL53Interchangeable
interchangeable cross-reference
interchangeable
2165AInterchangeable
interchangeable cross-reference
interchangeable
S3065Interchangeable
interchangeable cross-reference
interchangeable
215-53303-1Interchangeable
interchangeable cross-reference
interchangeable
216-53414-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 05-666-2191-27?
05-666-2191-27 is a PARTS KIT,PRESSURE REGULATING VA.
What parts can replace 05-666-2191-27?
There are 14 known substitutes for 05-666-2191-27: 103906, PL53, 2165A and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 05-666-2191-27?
05-666-2191-27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-456-1290. 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