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503831 PIECE 2025 — Technical Data Sheet

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— · 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 PLUG,ADJUSTING,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: BRASS; 0.875 IN. OD; 0.844 IN.

L IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 4820-01-201-8197, 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
503831 PIECE 2025
NSN: 4820-01-201-8197
FSC: 4820
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionBRASS; 0.875 IN. OD; 0.844 IN. L IN
NSN4820-01-201-8197
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 503831 PIECE 2025 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRASS; 0.875 IN. OD; 0.844 IN. L IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRASS; 0.875 IN. OD; 0.844 IN. L IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
1970InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
471 YELLOW 4 INInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7010335141InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GE1970InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C5AZ-6507-AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C5TZ6507AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503831 PIECE 2025?
503831 PIECE 2025 is a PLUG,ADJUSTING,VALVE.
What parts can replace 503831 PIECE 2025?
There are 13 known substitutes for 503831 PIECE 2025: 1970, 471 YELLOW 4 IN, 7010335141 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503831 PIECE 2025?
503831 PIECE 2025 is cataloged in the Federal Logistics Information System under NSN 4820-01-201-8197. 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: September 2026