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PartsTable / COMPONENT / 40611-8 PC NO 37
40611-8 PC NO 37 ✓ 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 RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 SEAT, style_designator: PLAIN FLANGED, seating_surface_shape: O-RING, end_item_identification: MK92MOD5, seal_accommodation_type: GROOVED, material_document_and_classification: ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-517-0962, 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
40611-8 PC NO 37
NSN: 4820-01-517-0962
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 SEAT
style_designatorPLAIN FLANGED
seating_surface_shapeO-RING
end_item_identificationMK92MOD5
seal_accommodation_typeGROOVED
material_document_and_classificationASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT
part_name_assigned_by_controlling_agency1 1/2 INCH STYPE P THERMOSTATIC TEMPERATURE REGULATING VALVE ASSEMBLY - UNION END IN
NSN4820-01-517-0962
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40611-8 PC NO 37 · 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
•
MATERIAL: COPPER ALLOY 922 SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT
•
STYLE DESIGNATOR: PLAIN FLANGED
•
SEAL ACCOMMODATION TYPE: GROOVED
•
SEATING SURFACE SHAPE: O-RING
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 922 SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATORPLAIN FLANGED
SEAL ACCOMMODATION TYPEGROOVED
END ITEM IDENTIFICATIONMK92MOD5
PART NAME ASSIGNED BY CONTROLLING AGENCY1 1/2 INCH STYPE P THERMOSTATIC TEMPERATURE REGULATING VALVE ASSEMBLY - UNION END IN
SEATING SURFACE SHAPEO-RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
168-0203Interchangeable
interchangeable cross-reference
interchangeable
168-100Interchangeable
interchangeable cross-reference
interchangeable
J100-450Interchangeable
interchangeable cross-reference
interchangeable
SL4232PC31Interchangeable
interchangeable cross-reference
interchangeable
SL5612PC31Interchangeable
interchangeable cross-reference
interchangeable
5350-323Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40611-8 PC NO 37?
40611-8 PC NO 37 is a RESTRICTOR,FLUID FLOW.
What parts can replace 40611-8 PC NO 37?
There are 15 known substitutes for 40611-8 PC NO 37: 168-0203, 168-100, J100-450 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40611-8 PC NO 37?
40611-8 PC NO 37 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-517-0962. 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