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Technical Data Sheet
PartsTable / COMPONENT / D-99042
D-99042 ✓ 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,OVERCENTER VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL;4.750 IN. O/A LG;2000 TO 3000 PRESSURE RANGE;20 GPM RATED FLOW;1.312-12 UN EXTERNAL THD IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-623-7736, 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
D-99042
NSN: 4820-00-623-7736
FSC: 4820
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL;4.750 IN. O/A LG;2000 TO 3000 PRESSURE RANGE;20 GPM RATED FLOW;1.312-12 UN EXTERNAL THD IN
NSN4820-00-623-7736
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D-99042 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL;4.750 IN. O/A LG;2000 TO 3000 PRESSURE RANGE;20 GPM RATED FLOW;1.312-12 UN EXTERNAL THD IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL;4.750 IN. O/A LG;2000 TO 3000 PRESSURE RANGE;20 GPM RATED FLOW;1.312-12 UN EXTERNAL THD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
178602Interchangeable
interchangeable cross-reference
interchangeable
8071-2Interchangeable
interchangeable cross-reference
interchangeable
22590Interchangeable
interchangeable cross-reference
interchangeable
22590-001Interchangeable
interchangeable cross-reference
interchangeable
9117Interchangeable
interchangeable cross-reference
interchangeable
6659889Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-99042?
D-99042 is a CARTRIDGE,OVERCENTER VALVE.
What parts can replace D-99042?
There are 8 known substitutes for D-99042: 178602, 8071-2, 22590 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D-99042?
D-99042 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-623-7736. 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