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PartsTable / COMPONENT / T-580 1IN
T-580 1IN ✓ 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 RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, bonnet_type: PACKING RETAINING, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, special_features: SPECIAL PORT,EXTRA LARGE SIZESPECIAL PORT,EXTRA LARGE SIZE, style_designator: STRAIGHT THRU. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-052-4650, 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
T-580 1IN
NSN: 4820-00-052-4650
FSC: 4820
CAGE: 12168 — NIBCO INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
bonnet_typePACKING RETAINING
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
special_featuresSPECIAL PORT,EXTRA LARGE SIZESPECIAL PORT,EXTRA LARGE SIZE
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
surface_treatmentPHOSPHATE
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
nominal_thread_size0.375 INCHES ALL ENDS IN
maximum_operating_temp375.0 FAHRENHEIT SINGLE RESPONSE DEGF
minimum_operating_temp-55.0 FAHRENHEIT DEGF
NSN4820-00-052-4650
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: T-580 1IN · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
745-0785-000Interchangeable
interchangeable cross-reference
interchangeable
3-125-206-103Interchangeable
interchangeable cross-reference
interchangeable
RQ10KInterchangeable
interchangeable cross-reference
interchangeable
1002410Interchangeable
interchangeable cross-reference
interchangeable
101R100Interchangeable
Same NIIN cross-reference
interchangeable
T-580-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T-580 1IN?
T-580 1IN is a RESISTOR,FIXED,COMPOSITION.
What parts can replace T-580 1IN?
There are 8 known substitutes for T-580 1IN: 745-0785-000, 3-125-206-103, RQ10K and 5 more. Substitute compatibility should be verified for your specific system.
Is T-580 1IN still available?
T-580 1IN 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