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H958 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

H958: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include operating_pressure: 55.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, valve_operation_method: AUTOMATIC, media_for_which_designed: OIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE, adjustable_pressure_range: +43.0 TO 49.0 POUNDS PER SQUARE INCH LBS, valve_discharge_flow_rate: 5.0 GALLONS PER MINUTE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-140-3780, 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
H958
NSN: 4820-01-140-3780
FSC: 4820 — Valves, Nonpowered
CAGE: 06239 — AUSCO INC (USA)
SPECIFICATIONS
operating_pressure55.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
valve_operation_methodAUTOMATIC
media_for_which_designedOIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE
adjustable_pressure_range+43.0 TO 49.0 POUNDS PER SQUARE INCH LBS
valve_discharge_flow_rate5.0 GALLONS PER MINUTE
NSN4820-01-140-3780
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: H958 · 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: GROOVED (DROP-IN CARTRIDGE) ALL ENDS
•
CONNECTION TYPE: UNTHREADED CARTRIDGE ALL ENDS
•
OPERATING PRESSURE: 55.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
ADJUSTABLE PRESSURE RANGE: +43.0 TO 49.0 POUNDS PER SQUARE INCH LBS
•
MEDIA FOR WHICH DESIGNED: OIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE
•
VALVE DISCHARGE FLOW RATE: 5.0 GALLONS PER MINUTE
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
CONNECTION STYLEGROOVED (DROP-IN CARTRIDGE) ALL ENDS
CONNECTION TYPEUNTHREADED CARTRIDGE ALL ENDS
OPERATING PRESSURE55.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+43.0 TO 49.0 POUNDS PER SQUARE INCH LBS
SPECIAL FEATURESCARTRIDGE TYPE VALVE, FLANGE 1.680 IN. OD, 0.100 IN., THK IN
MEDIA FOR WHICH DESIGNEDOIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE5.0 GALLONS PER MINUTE
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 3
10124629Reference document
Same NSN cross-reference
Reference document — Informative reference only
42312-167Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
42312E167Reference document
Same NSN cross-reference
Reference document — Secondary 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 H958?
H958 is a VALVE,SAFETY RELIEF.
What parts can replace H958?
There are 3 known substitutes for H958: 10124629, 42312-167, 42312E167. Substitute compatibility should be verified for your specific system.
What is the NSN for H958?
H958 is cataloged in the U.S. Government catalog under NSN 4820-01-140-3780. This indicates validated use in U.S. government and defense supply chains.
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