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U823F2F1LFOC P/N 31641 — Technical Data Sheet

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— · 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 NUT,ADJUSTING,ACTUATOR is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, leg_shape: RECTANGULAR, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, overall_width: 0.375 INCHES IN, overall_length: 0.843 INCHES IN, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-438-4783, 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
U823F2F1LFOC P/N 31641
NSN: 4820-01-438-4783
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
leg_shapeRECTANGULAR
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
overall_width0.375 INCHES IN
overall_length0.843 INCHES IN
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
hinged_end_typeSPRING JOINT
size_designator8.000 INCHES NOMINAL IN
adjustment_methodSOLID NUT
basic_shape_styleCRIMP
surface_treatmentTIN OVERALL SINGLE LAYER
material_thickness0.033 INCHES IN
NSN4820-01-438-4783
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: U823F2F1LFOC P/N 31641 · 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 17
31641InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2246351InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
43208InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
31638InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6-HUVA-224-31641InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
HUVA-224InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U823F2F1LFOC P/N 31641?
U823F2F1LFOC P/N 31641 is a NUT,ADJUSTING,ACTUATOR.
What parts can replace U823F2F1LFOC P/N 31641?
There are 17 known substitutes for U823F2F1LFOC P/N 31641: 31641, 2246351, 43208 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U823F2F1LFOC P/N 31641?
U823F2F1LFOC P/N 31641 is cataloged in the Federal Logistics Information System under NSN 4820-01-438-4783. 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: October 2026