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PartsTable / COMPONENT / 2640-611 ASSY H,HY LESS TAILPC
2640-611 ASSY H,HY LESS TAILPC ✓ 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 2640-611 ASSY H,HY LESS TAILPC 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 4820-01-217-4571, 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
2640-611 ASSY H,HY LESS TAILPC
NSN: 4820-01-217-4571
FSC: 4820
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part Number2640-611 ASSY H,HY LESS TAILPC
NSN4820-01-217-4571
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2640-611 ASSY H,HY LESS TAILPC · 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
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.500 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: STRAIGHT THRU
•
CONNECTION STYLE: SOCKET WITH BRAZING RING (TUBE) ALL ENDS
•
VALVE OPERATION METHOD: MANUAL
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.500 INCHES ALL ENDS IN
STYLE DESIGNATORSTRAIGHT THRU
CONNECTION STYLESOCKET WITH BRAZING RING (TUBE) ALL ENDS
VALVE OPERATION METHODMANUAL
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
2050997Interchangeable
interchangeable cross-reference
interchangeable
2640-611Interchangeable
interchangeable cross-reference
interchangeable
2640-611PIECE32 1-4IPSInterchangeable
interchangeable cross-reference
interchangeable
845-2050997Interchangeable
interchangeable cross-reference
interchangeable
845-2050997ASSYFInterchangeable
interchangeable cross-reference
interchangeable
2640-612Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2640-611 ASSY H,HY LESS TAILPC?
2640-611 ASSY H,HY LESS TAILPC is a 2640-611 ASSY H,HY LESS TAILPC.
What parts can replace 2640-611 ASSY H,HY LESS TAILPC?
There are 14 known substitutes for 2640-611 ASSY H,HY LESS TAILPC: 2050997, 2640-611, 2640-611PIECE32 1-4IPS and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2640-611 ASSY H,HY LESS TAILPC?
2640-611 ASSY H,HY LESS TAILPC is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-217-4571. 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