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PartsTable / COMPONENT / Y109101001
Y109101001 ✓ 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 VALVE,FLOW CONTROL is a the manufacturer industrial component. Key specifications include valve_size: 1.500 INCHES IN, body_material: STEEL UNS J03002, pressure_class: ERR-060, connection_type: FLANGE, ROUND W/HOLES, flange_diameter: 5.000 INCHES IN, flange_face_design: RAISED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-441-7723, 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
Y109101001
NSN: 4820-01-441-7723
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
valve_size1.500 INCHES IN
body_materialSTEEL UNS J03002
pressure_classERR-060
connection_typeFLANGE, ROUND W/HOLES
flange_diameter5.000 INCHES IN
bolt_hole_quantity4
flange_face_designRAISED
face_to_face_distance8.750 INCHES IN
end_connection_quantity2
end_item_identificationSUPPLY CLASS AOE
part_name_assigned_by_controlling_agency1 1/2IN 150LB AEROFLOW CONTROL VALVE FUEL OIL UNLOADER LBS
body_material_document_and_classificationASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-441-7723
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: Y109101001 · 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
•
BODY MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE
•
END CONNECTION QUANTITY: 2
•
BOLT HOLE QUANTITY: 4
•
CONNECTION TYPE: FLANGE, ROUND W/HOLES
•
FACE TO FACE DISTANCE: 8.750 INCHES IN
•
FLANGE FACE DESIGN: RAISED
•
PRESSURE CLASS: ERR-060
TECHNICAL CHARACTERISTICS (FLIS)
BODY MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE
END CONNECTION QUANTITY2
BOLT HOLE QUANTITY4
CONNECTION TYPEFLANGE, ROUND W/HOLES
END ITEM IDENTIFICATIONSUPPLY CLASS AOE
FACE TO FACE DISTANCE8.750 INCHES IN
FLANGE FACE DESIGNRAISED
PRESSURE CLASSERR-060
BODY MATERIALSTEEL UNS J03002
FLANGE DIAMETER5.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
74078Interchangeable
interchangeable cross-reference
interchangeable
A74078Interchangeable
interchangeable cross-reference
interchangeable
S520202701 ITEM 503Interchangeable
interchangeable cross-reference
interchangeable
S520202701Interchangeable
Same NIIN cross-reference
interchangeable
S520202701 CDS-33136NInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y109101001?
Y109101001 is a VALVE,FLOW CONTROL.
What parts can replace Y109101001?
There are 5 known substitutes for Y109101001: 74078, A74078, S520202701 ITEM 503 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Y109101001?
Y109101001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-441-7723. 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