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Technical Data Sheet
PartsTable / COMPONENT / 3/4VMB1-A90Q
3/4VMB1-A90Q ✓ 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 3/4VMB1-A90Q 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 4820-01-346-1665, 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
3/4VMB1-A90Q
NSN: 4820-01-346-1665
FSC: 4820
CAGE: 60515 — DYNAQUIP CONTROLS CORPORATION (USA)
SPECIFICATIONS
Part Number3/4VMB1-A90Q
NSN4820-01-346-1665
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3/4VMB1-A90Q · 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
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SECOND RESPONSE
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
•
MATERIAL: STEEL CORROSION RESISTING BODY
•
SPECIFICATION/STANDARD DATA: 81348-WW-V-35B GOVERNMENT SPECIFICATION
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE OR C CLASS OR 3 STYLE
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
MATERIALSTEEL CORROSION RESISTING BODY
SPECIFICATION/STANDARD DATA81348-WW-V-35B GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA2 TYPE OR C CLASS OR 3 STYLE
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
0-680Interchangeable
interchangeable cross-reference
interchangeable
DD0.68Interchangeable
interchangeable cross-reference
interchangeable
46744-47Interchangeable
interchangeable cross-reference
interchangeable
GB59Interchangeable
interchangeable cross-reference
interchangeable
437-24Interchangeable
interchangeable cross-reference
interchangeable
22061Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3/4VMB1-A90Q?
3/4VMB1-A90Q is a 3/4VMB1-A90Q.
What parts can replace 3/4VMB1-A90Q?
There are 30 known substitutes for 3/4VMB1-A90Q: 0-680, DD0.68, 46744-47 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3/4VMB1-A90Q?
3/4VMB1-A90Q is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-346-1665. 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