PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 50 1/2INCH
50 1/2INCH ✓ 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 50 1/2INCH 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 4820-00-403-4658, 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
50 1/2INCH
NSN: 4820-00-403-4658
FSC: 4820
CAGE: 82430 — AMERICAN VALVE MFG CO (USA)
SPECIFICATIONS
Part Number50 1/2INCH
NSN4820-00-403-4658
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 50 1/2INCH · 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
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
MATERIAL: COPPER ALLOY FLOW CONTROL DEVICE
•
STYLE DESIGNATOR: STRAIGHT THRU
•
BONNET TYPE: INSIDE SCREW
•
BONNET ATTACHMENT METHOD: THREADED
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
STYLE DESIGNATORSTRAIGHT THRU
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
MATERIALCOPPER ALLOY BODY
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
FLOW CONTROL DEVICEDISK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
37592Interchangeable
interchangeable cross-reference
interchangeable
592 1-4Interchangeable
interchangeable cross-reference
interchangeable
1-4-592-200Interchangeable
interchangeable cross-reference
interchangeable
592-1/4Interchangeable
interchangeable cross-reference
interchangeable
0501Interchangeable
interchangeable cross-reference
interchangeable
0501 SZ 1/4 INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 50 1/2INCH?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 50 1/2INCH?
50 1/2INCH is a 50 1/2INCH.
What parts can replace 50 1/2INCH?
There are 14 known substitutes for 50 1/2INCH: 37592, 592 1-4, 1-4-592-200 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50 1/2INCH?
50 1/2INCH is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-403-4658. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 50 1/2INCH

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026