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3150143 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3150143: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM SEAT, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS, flow_control_device: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-070-2459, 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
3150143
NSN: 4820-01-070-2459
NIINs: 010702459, 014479211
FSC: 4820 — Valves, Nonpowered
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM SEAT
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
flow_control_devicePOPPET
nominal_thread_size0.125 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
opening_pressure_setting8.0 POUNDS PER SQUARE INCH LBS
thread_series_designatorANPT ALL ENDS
material_document_and_classificationMIL-R-25897 CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
NSN4820-01-070-2459
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3150143 · 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: POPPET
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: ANGLE
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.125 INCHES ALL ENDS IN
•
MAXIMUM OPERATING TEMP: 225.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
DISK LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE DEGF
DISK LOADING METHODSPRING
SURFACE TREATMENTPASSIVATE LOCATION NOT OTHERWISE SPECIFIED
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
SUBSTITUTES & CROSS-REFERENCES 3
647B-2-1/8-28Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
563682Reference document
Same NSN cross-reference
Reference document — Secondary reference
647B-2-1/8-Same 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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3150143?
3150143 is a VALVE,SAFETY RELIEF.
What parts can replace 3150143?
There are 3 known substitutes for 3150143: 647B-2-1/8-28, 563682, 647B-2-1/8-. Substitute compatibility should be verified for your specific system.
What is the NSN for 3150143?
3150143 is cataloged in the U.S. Government catalog under NSN 4820-01-070-2459. This indicates validated use in U.S. government and defense supply chains.
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