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PartsTable / COMPONENT / 7878 ITEM 5 4IN
7878 ITEM 5 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include special_features: STEEL,ASTM A182,GRADE F6;1.000 IN. DIA 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 4820-01-210-4338, 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
7878 ITEM 5 4IN
NSN: 4820-01-210-4338
FSC: 4820
CAGE: 79342 — WILLIAM E WILLIAMS VALVE CORP (USA)
SPECIFICATIONS
special_featuresSTEEL,ASTM A182,GRADE F6;1.000 IN. DIA IN
NSN4820-01-210-4338
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7878 ITEM 5 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSTEEL,ASTM A182,GRADE F6;1.000 IN. DIA IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
A3692Interchangeable
interchangeable cross-reference
interchangeable
33G1714Interchangeable
interchangeable cross-reference
interchangeable
MS35489-16Interchangeable
interchangeable cross-reference
interchangeable
82514S4105-69217H75EEF10794Interchangeable
interchangeable cross-reference
interchangeable
82514S4105-692177PC2Interchangeable
interchangeable cross-reference
interchangeable
72030PC2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7878 ITEM 5 4IN?
7878 ITEM 5 4IN is a STEM,FLUID VALVE.
What parts can replace 7878 ITEM 5 4IN?
There are 16 known substitutes for 7878 ITEM 5 4IN: A3692, 33G1714, MS35489-16 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7878 ITEM 5 4IN?
7878 ITEM 5 4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-210-4338. 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