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SS-4R3A5-C1 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SS-4R3A5-C1: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: RUBBER PACKING, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN,OPTIONAL END(PIPE) SECOND END, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS, disk_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-301-0340, 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
SS-4R3A5-C1
NSN: 4820-01-301-0340
NIINs: 013010340, 013010341
FSC: 4820 — Valves, Nonpowered
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialRUBBER PACKING
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN,OPTIONAL END(PIPE) SECOND END
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.250 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
thread_series_designatorNPT ALL ENDS
adjustable_pressure_range+5000.0 TO 6000.0 POUNDS PER SQUARE INCH LBS
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
NSN4820-01-301-0340
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS-4R3A5-C1 · 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,OPTIONAL END(PIPE) SECOND END
•
CONNECTION TYPE: THREADED INTERNAL PIPE SECOND END
•
STYLE DESIGNATOR: ANGLE
•
ADJUSTABLE PRESSURE RANGE: +2250.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATORANGLE
ADJUSTABLE PRESSURE RANGE+2250.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MATERIALSTEEL COMP 316 BODY
SUBSTITUTES & CROSS-REFERENCES 2
1551AS140Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
1551AS140-1Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 SS-4R3A5-C1?
SS-4R3A5-C1 is a VALVE,SAFETY RELIEF.
What parts can replace SS-4R3A5-C1?
There are 2 known substitutes for SS-4R3A5-C1: 1551AS140, 1551AS140-1. Substitute compatibility should be verified for your specific system.
What is the NSN for SS-4R3A5-C1?
SS-4R3A5-C1 is cataloged in the U.S. Government catalog under NSN 4820-01-301-0340. This indicates validated use in U.S. government and defense supply chains.
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