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R8452 ✓ 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 CARTRIDGE,FLOW PROTECTOR is a the manufacturer industrial component. Key specifications include length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT, material: ALUMINUM ALLOY 7075, overall_width: 1.850 INCHES NOMINAL IN, heat_treatment: T-6 SOLUTION HEAT TREATED, overall_height: 1.160 INCHES NOMINAL IN, first_tip_style: SQUARE END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-220-6736, 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
R8452
NSN: 4820-01-220-6736
FSC: 4820
CAGE: 07516 — MANITOU NORTH AMERICA INC (USA)
SPECIFICATIONS
length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
materialALUMINUM ALLOY 7075
overall_width1.850 INCHES NOMINAL IN
heat_treatmentT-6 SOLUTION HEAT TREATED
overall_height1.160 INCHES NOMINAL IN
first_tip_styleSQUARE END
basic_shape_styleANGLE
left_inside_angle86.3 DEGREES NOMINAL
fabrication_methodEXTRUDED
base_flange_thickness0.125 INCHES NOMINAL IN
weight_per_unit_measure0.437 POUNDS PER LINEAR FOOT LBS
left_side_flange_thickness0.125 INCHES NOMINAL IN
NSN4820-01-220-6736
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: R8452 · 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 6
19824Interchangeable
interchangeable cross-reference
interchangeable
LS4647Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
8211430Interchangeable
interchangeable cross-reference
interchangeable
R8452Interchangeable
interchangeable cross-reference
interchangeable
23499Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R8452?
R8452 is a CARTRIDGE,FLOW PROTECTOR.
What parts can replace R8452?
There are 6 known substitutes for R8452: 19824, LS4647, AMS-QQ-A-200/11 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R8452?
R8452 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-220-6736. 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