PartsTable
Technical Data Sheet
MB-74 FIND NO.138 ✓ 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 MB-74 FIND NO.138 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 4820-01-633-6353, 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
MB-74 FIND NO.138
NSN: 4820-01-633-6353
FSC: 4820
CAGE: 13669 — TESCOM CORP DBA TESCOM DIV TESCOM (USA)
SPECIFICATIONS
Part NumberMB-74 FIND NO.138
NSN4820-01-633-6353
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: MB-74 FIND NO.138 · 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 6
62991Interchangeable
interchangeable cross-reference
interchangeable
226509Interchangeable
interchangeable cross-reference
interchangeable
7032097Interchangeable
interchangeable cross-reference
interchangeable
M3465-23Interchangeable
interchangeable cross-reference
interchangeable
6299-1D0Interchangeable
Same NIIN cross-reference
interchangeable
MB-74 FIND NO.138D0Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MB-74 FIND NO.138?
MB-74 FIND NO.138 is a MB-74 FIND NO.138.
What parts can replace MB-74 FIND NO.138?
There are 6 known substitutes for MB-74 FIND NO.138: 62991, 226509, 7032097 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MB-74 FIND NO.138?
MB-74 FIND NO.138 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-633-6353. This indicates validated use in U.S. government and defense supply chains.
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