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Technical Data Sheet
PartsTable / COMPONENT / 2640-801X1, PIECE 22Q3
2640-801X1, PIECE 22Q3 ✓ 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 2640-801X1, PIECE 22Q3 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-058-1984, 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
2640-801X1, PIECE 22Q3
NSN: 4820-01-058-1984
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number2640-801X1, PIECE 22Q3
NSN4820-01-058-1984
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2640-801X1, PIECE 22Q3 · 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
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REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: ITEMS THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL
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CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEMS THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
845-8616948-PIECE NO-12Interchangeable
interchangeable cross-reference
interchangeable
2644-747-01-PIECE NO-12Q3Interchangeable
interchangeable cross-reference
interchangeable
2640-801X1 PIECE 22Interchangeable
interchangeable cross-reference
interchangeable
2643-820-88 ITEM 11Interchangeable
interchangeable cross-reference
interchangeable
2640-801X01 PIECE 22Interchangeable
interchangeable cross-reference
interchangeable
56-97-0727Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2640-801X1, PIECE 22Q3?
2640-801X1, PIECE 22Q3 is a 2640-801X1, PIECE 22Q3.
What parts can replace 2640-801X1, PIECE 22Q3?
There are 15 known substitutes for 2640-801X1, PIECE 22Q3: 845-8616948-PIECE NO-12, 2644-747-01-PIECE NO-12Q3, 2640-801X1 PIECE 22 and 12 more. Substitute compatibility should be verified for your specific system.
Is 2640-801X1, PIECE 22Q3 still available?
2640-801X1, PIECE 22Q3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026