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PartsTable / COMPONENT / 260-1/2IN FPT
260-1/2IN FPT ✓ 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 260-1/2IN FPT is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-541-0372, 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
260-1/2IN FPT
NSN: 4820-00-541-0372
FSC: 4820
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
Part Number260-1/2IN FPT
NSN4820-00-541-0372
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 260-1/2IN FPT · 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
•
FEATURES PROVIDED: BONNET PACKING
•
MAXIMUM OPERATING TEMP: 425.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
BONNET ATTACHMENT METHOD: UNION
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
•
MATERIAL: STEEL CORROSION RESISTING SEAT
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDBONNET PACKING
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE DEGF
BONNET ATTACHMENT METHODUNION
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALCOPPER ALLOY 922 STEM
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORSTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MIL-V-1187Interchangeable
interchangeable cross-reference
interchangeable
MSS SP-80Interchangeable
interchangeable cross-reference
interchangeable
803Interchangeable
interchangeable cross-reference
interchangeable
214CInterchangeable
interchangeable cross-reference
interchangeable
MIL-V-1187B TYIInterchangeable
interchangeable cross-reference
interchangeable
4592Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 260-1/2IN FPT?
260-1/2IN FPT is a 260-1/2IN FPT.
What parts can replace 260-1/2IN FPT?
There are 15 known substitutes for 260-1/2IN FPT: MIL-V-1187, MSS SP-80, 803 and 12 more. Substitute compatibility should be verified for your specific system.
Is 260-1/2IN FPT still available?
260-1/2IN FPT 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