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Technical Data Sheet
PartsTable / COMPONENT / 10/8.4.1 PART 42 1-1/4IN.
10/8.4.1 PART 42 1-1/4IN. ✓ 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 10/8.4.1 PART 42 1-1/4IN. is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-327-4961, 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
10/8.4.1 PART 42 1-1/4IN.
NSN: 4820-01-327-4961
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number10/8.4.1 PART 42 1-1/4IN.
NSN4820-01-327-4961
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 10/8.4.1 PART 42 1-1/4IN. · 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: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
64019Interchangeable
interchangeable cross-reference
interchangeable
149-088-0001Interchangeable
interchangeable cross-reference
interchangeable
149-088Interchangeable
interchangeable cross-reference
interchangeable
GT805EM1Interchangeable
interchangeable cross-reference
interchangeable
940-19Interchangeable
interchangeable cross-reference
interchangeable
2920137-019Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10/8.4.1 PART 42 1-1/4IN.?
10/8.4.1 PART 42 1-1/4IN. is a 10/8.4.1 PART 42 1-1/4IN..
What parts can replace 10/8.4.1 PART 42 1-1/4IN.?
There are 14 known substitutes for 10/8.4.1 PART 42 1-1/4IN.: 64019, 149-088-0001, 149-088 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10/8.4.1 PART 42 1-1/4IN.?
10/8.4.1 PART 42 1-1/4IN. is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-327-4961. 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