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355-9001-242 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

355-9001-242: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include connection_type: THREADED INTERNAL TUBE ALL ENDS, connection_style: HIGH PRESSURE FLARE(TUBE) ALL ENDS, flow_control_device: POPPET, valve_operation_method: AUTOMATIC, thread_series_designator: UNF ALL ENDS, nominal_outside_diameter_tube_accommodated: 0.375 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-386-5672, 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
355-9001-242
NSN: 4820-01-386-5672
FSC: 4820 — Valves, Nonpowered
CAGE: 13829 — PARKER HANNIFIN CORPORATION DIV CYLINDER DIVISION (USA)
SPECIFICATIONS
connection_typeTHREADED INTERNAL TUBE ALL ENDS
connection_styleHIGH PRESSURE FLARE(TUBE) ALL ENDS
flow_control_devicePOPPET
valve_operation_methodAUTOMATIC
thread_series_designatorUNF ALL ENDS
nominal_outside_diameter_tube_accommodated0.375 INCHES ALL ENDS IN
NSN4820-01-386-5672
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 355-9001-242 · 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: HIGH PRESSURE FLARE(TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEHIGH PRESSURE FLARE(TUBE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORUNF ALL ENDS
VALVE OPERATION METHODAUTOMATIC
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 355-9001-242?
355-9001-242 is a VALVE,SAFETY RELIEF.
What is the NSN for 355-9001-242?
355-9001-242 is cataloged in the U.S. Government catalog under NSN 4820-01-386-5672. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.