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1551AS140-1CP — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1551AS140-1CP: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 BODY, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, operating_pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-310-7694, 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
1551AS140-1CP
NSN: 4820-01-310-7694
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL COMP 316 BODY
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
valve_operation_methodMANUAL
thread_series_designatorNPT SECOND END
adjustable_pressure_range+2250.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
NSN4820-01-310-7694
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1551AS140-1CP · 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
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) SECOND END
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CONNECTION TYPE: THREADED INTERNAL PIPE SECOND END
•
OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
ADJUSTABLE PRESSURE RANGE: +2250.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
•
DISK LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
CRITICALITY CODE JUSTIFICATIONZZZY
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+2250.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
DISK LOADING METHODSPRING
MATERIALSTEEL COMP 316 BODY
THREAD SERIES DESIGNATORNPT SECOND END
SUBSTITUTES & CROSS-REFERENCES 2
1551AS140-1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MIL-I-52211Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1551AS140-1CP?
1551AS140-1CP is a VALVE,SAFETY RELIEF.
What parts can replace 1551AS140-1CP?
There are 2 known substitutes for 1551AS140-1CP: 1551AS140-1, MIL-I-52211. Substitute compatibility should be verified for your specific system.
What is the NSN for 1551AS140-1CP?
1551AS140-1CP is cataloged in the U.S. Government catalog under NSN 4820-01-310-7694. This indicates validated use in U.S. government and defense supply chains.
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