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PartsTable / COMPONENT / 28S-FS2 .50IN
28S-FS2 .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 28S-FS2 .50IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-417-9496, 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
28S-FS2 .50IN
NSN: 4820-01-417-9496
FSC: 4820
CAGE: 61661 — NEWMANS INC NEW JERSEY DIV (USA)
SPECIFICATIONS
Part Number28S-FS2 .50IN
NSN4820-01-417-9496
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 28S-FS2 .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
•
OPERATING PRESSURE: 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MATERIAL: STEEL BODY
•
STYLE DESIGNATOR: STRAIGHT THRU
•
VALVE OPERATION METHOD: MANUAL
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES ALL ENDS IN
•
BONNET ATTACHMENT METHOD: BOLTED
•
FLOW CONTROL DEVICE: DISK
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIALSTEEL BODY
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODMANUAL
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES ALL ENDS IN
BONNET ATTACHMENT METHODBOLTED
FLOW CONTROL DEVICEDISK
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
28029Interchangeable
interchangeable cross-reference
interchangeable
X154Interchangeable
interchangeable cross-reference
interchangeable
Z5487-1Interchangeable
interchangeable cross-reference
interchangeable
84482R1Interchangeable
interchangeable cross-reference
interchangeable
51576Interchangeable
interchangeable cross-reference
interchangeable
MS75089-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28S-FS2 .50IN?
28S-FS2 .50IN is a 28S-FS2 .50IN.
What parts can replace 28S-FS2 .50IN?
There are 7 known substitutes for 28S-FS2 .50IN: 28029, X154, Z5487-1 and 4 more. Substitute compatibility should be verified for your specific system.
Is 28S-FS2 .50IN still available?
28S-FS2 .50IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026