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PartsTable / COMPONENT / 33-45 .50IN
33-45 .50IN ✓ 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 33-45 .50IN 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 4820-01-321-8101, 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
33-45 .50IN
NSN: 4820-01-321-8101
FSC: 4820
CAGE: 35743 — VELAN INC (CAN)
SPECIFICATIONS
Part Number33-45 .50IN
NSN4820-01-321-8101
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 33-45 .50IN · 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
•
FLOW CONTROL DEVICE: DISK
•
VALVE OPERATION METHOD: MANUAL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
BONNET TYPE: INSIDE SCREW
•
CONNECTION STYLE: SOCKET ALL ENDS
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.855 INCHES ALL ENDS IN
•
RENEWABLE SEAT RING TYPE: BOLTED
•
MATERIAL: STEEL CORROSION RESISTING BODY
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEDISK
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORSTRAIGHT THRU
BONNET TYPEINSIDE SCREW
CONNECTION STYLESOCKET ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.855 INCHES ALL ENDS IN
RENEWABLE SEAT RING TYPEBOLTED
MATERIALSTEEL CORROSION RESISTING BODY
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
BONNET ATTACHMENT METHODBOLTED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
2030-789Interchangeable
interchangeable cross-reference
interchangeable
16FM18C7-32Interchangeable
interchangeable cross-reference
interchangeable
7-32BALLGRADE2Interchangeable
interchangeable cross-reference
interchangeable
GB-230Interchangeable
interchangeable cross-reference
interchangeable
1043-1CInterchangeable
interchangeable cross-reference
interchangeable
1103940CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33-45 .50IN?
33-45 .50IN is a 33-45 .50IN.
What parts can replace 33-45 .50IN?
There are 19 known substitutes for 33-45 .50IN: 2030-789, 16FM18C7-32, 7-32BALLGRADE2 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 33-45 .50IN?
33-45 .50IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-321-8101. 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