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120842 ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include carrying_case: PROVIDED, diopter_scale: NOT INCLUDED, magnification: 8.0X MINIMUM AND 40.0X MAXIMUM, special_features: INSTA-FOCUS, WEIGHT 28 OZ OZ, field_view_coverage: 460 FT AT 1000 YDS FT, optical_device_type: PRISM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-417-2379, 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
120842
NSN: 4820-01-417-2379
FSC: 4820
CAGE: 42280 — GARDNER DENVER NASH LLC DBA GARDNER DENVER ENGINEERED PRODUCTS GROUP DIV GARDNER DENVER NASH (USA)
SPECIFICATIONS
carrying_casePROVIDED
diopter_scaleNOT INCLUDED
magnification8.0X MINIMUM AND 40.0X MAXIMUM
special_featuresINSTA-FOCUS, WEIGHT 28 OZ OZ
field_view_coverage460 FT AT 1000 YDS FT
optical_device_typePRISM
eyepiece_focusing_typeCENTRAL
accessory_components_and_quantityNECK STRAP 1
NSN4820-01-417-2379
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 120842 · 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 10
3203558/PC2Interchangeable
interchangeable cross-reference
interchangeable
AA-397PC2Interchangeable
interchangeable cross-reference
interchangeable
D-3405-VBInterchangeable
interchangeable cross-reference
interchangeable
12-0842Interchangeable
interchangeable cross-reference
interchangeable
12-0842 INDEX 4Interchangeable
interchangeable cross-reference
interchangeable
D-1660-VHInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120842?
120842 is a DISK,VALVE.
What parts can replace 120842?
There are 10 known substitutes for 120842: 3203558/PC2, AA-397PC2, D-3405-VB and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120842?
120842 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-417-2379. 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