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1S1290-5L1 — VALVE,STOP-CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1S1290-5L1: VALVE,STOP-CHECK.

The VALVE,STOP-CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 STEM, bonnet_type: OUTSIDE SCREW-YOKE, connection_style: BEVELED (PIPE) FIRST END, style_designator: ANGLE, operating_pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-045-5772, 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
1S1290-5L1
NSN: 4820-00-045-5772
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL COMP 416 STEM
bonnet_typeOUTSIDE SCREW-YOKE
connection_styleBEVELED (PIPE) FIRST END
style_designatorANGLE
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
maximum_operating_temp975.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
bonnet_attachment_methodPRESSURE SEAL, RING TYPE
criticality_code_justificationZZZY
nominal_pipe_size_accommodated3.000 INCHES FIRST END IN
reference_number_differentiating_characteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN4820-00-045-5772
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1S1290-5L1 · 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
•
FLOW CONTROL DEVICE: DISK
•
NOMINAL PIPE SIZE ACCOMMODATED: 3.000 INCHES FIRST END IN
•
CONNECTION STYLE: BEVELED (PIPE) FIRST END
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
STYLE DESIGNATOR: ANGLE
•
OPERATING PRESSURE: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
BONNET TYPE: OUTSIDE SCREW-YOKE
•
MAXIMUM OPERATING TEMP: 975.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
NOMINAL PIPE SIZE ACCOMMODATED3.000 INCHES FIRST END IN
CONNECTION STYLEBEVELED (PIPE) FIRST END
CRITICALITY CODE JUSTIFICATIONZZZY
STYLE DESIGNATORANGLE
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
BONNET TYPEOUTSIDE SCREW-YOKE
MAXIMUM OPERATING TEMP975.0 FAHRENHEIT SINGLE RESPONSE DEGF
BONNET ATTACHMENT METHODPRESSURE SEAL, RING TYPE
MATERIALSTEEL COMP 416 STEM
SUBSTITUTES & CROSS-REFERENCES 9
B10-308P-05TS 7840-027L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
N-10263-20-1 3INReference document
Same NSN cross-reference
Reference document — Secondary reference
7840-027 B10-308P-05TSReference document
Same NSN cross-reference
Reference document — Secondary reference
N-10263-20-1 3INL1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B10-308P-05TS 7840-027Reference document
Same NSN cross-reference
Reference document — Secondary reference
7840-027 B10-308P-05TSL1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 1S1290-5L1?
1S1290-5L1 is a VALVE,STOP-CHECK.
What parts can replace 1S1290-5L1?
There are 9 known substitutes for 1S1290-5L1: B10-308P-05TS 7840-027L1, N-10263-20-1 3IN, 7840-027 B10-308P-05TS and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1S1290-5L1?
1S1290-5L1 is cataloged in the U.S. Government catalog under NSN 4820-00-045-5772. This indicates validated use in U.S. government and defense supply chains.
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