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7897A4 — REGULATOR,COMPRESSED GAS

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7897A4: REGULATOR,COMPRESSED GAS.

The REGULATOR,COMPRESSED GAS is a the manufacturer industrial component. Key specifications include stage_type: DOUBLE, mounting_method: CYLINDER, mounting_position: LEFT SIDE, inlet_indicator_type: DIAL PRESSURE GAGE, outlet_indicator_type: DIAL PRESSURE GAGE, delivery_pressure_type: ADJUSTABLE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-228-7751, 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
7897A4
NSN: 4820-01-228-7751
FSC: 4820 — Valves, Nonpowered
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
stage_typeDOUBLE
mounting_methodCYLINDER
mounting_positionLEFT SIDE
inlet_indicator_typeDIAL PRESSURE GAGE
outlet_indicator_typeDIAL PRESSURE GAGE
delivery_pressure_typeADJUSTABLE
maximum_delivery_pressure15.0 POUNDS PER SQUARE INCH LBS
inlet_fitting_connection_typeCOMPRESSED GAS ASSOCIATION
outlet_fitting_connection_typeTHREADED EXTERNAL PIPE
inlet_fitting_connection_cga_number300
NSN4820-01-228-7751
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7897A4 · 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
•
OUTLET INDICATOR TYPE: DIAL PRESSURE GAGE
•
INLET INDICATOR TYPE: DIAL PRESSURE GAGE
•
INLET FITTING CONNECTION TYPE: COMPRESSED GAS ASSOCIATION
•
STAGE TYPE: DOUBLE
•
MOUNTING METHOD: CYLINDER
•
MOUNTING POSITION: LEFT SIDE
•
INLET FITTING CONNECTION CGA NUMBER: 300
•
MAXIMUM DELIVERY PRESSURE: 15.0 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
OUTLET INDICATOR TYPEDIAL PRESSURE GAGE
INLET INDICATOR TYPEDIAL PRESSURE GAGE
INLET FITTING CONNECTION TYPECOMPRESSED GAS ASSOCIATION
STAGE TYPEDOUBLE
MOUNTING METHODCYLINDER
MOUNTING POSITIONLEFT SIDE
INLET FITTING CONNECTION CGA NUMBER300
MAXIMUM DELIVERY PRESSURE15.0 POUNDS PER SQUARE INCH LBS
DELIVERY PRESSURE TYPEADJUSTABLE
OUTLET FITTING CONNECTION TYPETHREADED EXTERNAL PIPE
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 7897A4?
7897A4 is a REGULATOR,COMPRESSED GAS.
What is the NSN for 7897A4?
7897A4 is cataloged in the U.S. Government catalog under NSN 4820-01-228-7751. This indicates validated use in U.S. government and defense supply chains.
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