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PartsTable / COMPONENT / 2791 TYB 3/4IN
2791 TYB 3/4IN ✓ 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 2791 TYB 3/4IN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-440-9342, 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
2791 TYB 3/4IN
NSN: 4820-01-440-9342
FSC: 4820
CAGE: 71342 — IMI CASH VALVE INC (USA)
SPECIFICATIONS
Part Number2791 TYB 3/4IN
NSN4820-01-440-9342
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2791 TYB 3/4IN · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
2791Interchangeable
interchangeable cross-reference
interchangeable
2791-RSCInterchangeable
interchangeable cross-reference
interchangeable
PPP-B-640Interchangeable
interchangeable cross-reference
interchangeable
AUTOLET PLATFORMSInterchangeable
interchangeable cross-reference
interchangeable
AUTOLET PLATFORMInterchangeable
interchangeable cross-reference
interchangeable
89-4-17-56 FSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2791 TYB 3/4IN?
2791 TYB 3/4IN is a 2791 TYB 3/4IN.
What parts can replace 2791 TYB 3/4IN?
There are 10 known substitutes for 2791 TYB 3/4IN: 2791, 2791-RSC, PPP-B-640 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2791 TYB 3/4IN?
2791 TYB 3/4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-440-9342. 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