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PartsTable / COMPONENT / 22641N1L1
22641N1L1 ✓ 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 PUMP PRESSURE GOVERNOR is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-289-7161, 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
22641N1L1
NSN: 4820-01-289-7161
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NSN4820-01-289-7161
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 22641N1L1 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
22600NInterchangeable
interchangeable cross-reference
interchangeable
22600N PIECE 52Interchangeable
interchangeable cross-reference
interchangeable
34134-00-58Interchangeable
interchangeable cross-reference
interchangeable
50073Interchangeable
interchangeable cross-reference
interchangeable
22600N PIECE 45Interchangeable
interchangeable cross-reference
interchangeable
22600N PIECE 36Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 22641N1L1?
22641N1L1 is a PUMP PRESSURE GOVERNOR.
What parts can replace 22641N1L1?
There are 19 known substitutes for 22641N1L1: 22600N, 22600N PIECE 52, 34134-00-58 and 16 more. Substitute compatibility should be verified for your specific system.
Is 22641N1L1 still available?
22641N1L1 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