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28531-1 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include valve_size_for_which_designed: 0.250 INCHES IN, valve_type_for_which_designed: GLOBE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-259-0357, 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
28531-1
NSN: 4820-01-259-0357
FSC: 4820
CAGE: 14652 — UNITED BRASS WORKS, INC. DBA UNITED BRASS WORKS (USA)
SPECIFICATIONS
valve_size_for_which_designed0.250 INCHES IN
valve_type_for_which_designedGLOBE
NSN4820-01-259-0357
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 28531-1 · 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
•
VALVE SIZE FOR WHICH DESIGNED: 0.250 INCHES IN
•
VALVE TYPE FOR WHICH DESIGNED: GLOBE
TECHNICAL CHARACTERISTICS (FLIS)
VALVE SIZE FOR WHICH DESIGNED0.250 INCHES IN
VALVE TYPE FOR WHICH DESIGNEDGLOBE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
10121207Interchangeable
interchangeable cross-reference
interchangeable
186593Interchangeable
interchangeable cross-reference
interchangeable
2853-1Interchangeable
interchangeable cross-reference
interchangeable
P124Interchangeable
interchangeable cross-reference
interchangeable
44Interchangeable
interchangeable cross-reference
interchangeable
15097Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28531-1?
28531-1 is a STEM,FLUID VALVE.
What parts can replace 28531-1?
There are 9 known substitutes for 28531-1: 10121207, 186593, 2853-1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28531-1?
28531-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-259-0357. 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