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A3171277 — VALVE,PRESSURE EQUALIZING,GASEOU

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A3171277: VALVE,PRESSURE EQUALIZING,GASEOU.

VALVE,PRESSURE EQUALIZING,GASEOU. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE, body_style: SINGLE CONNECTION, STRAIGHT FLOW, operating_pressure: 2.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, flow_control_device: DISK, FLAT, valve_relief_design_type: PRESSURE AND VACUUM, first_end_connection_type: THREADED EXTERNAL PIPE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-400-3117, 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
A3171277
NSN: 4820-01-400-3117
FSC: 4820 — Valves, Nonpowered
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
body_styleSINGLE CONNECTION, STRAIGHT FLOW
operating_pressure2.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
flow_control_deviceDISK, FLAT
end_connection_quantity1
valve_relief_design_typePRESSURE AND VACUUM
first_end_connection_typeTHREADED EXTERNAL PIPE
valve_venting_design_typeATMOSPHERIC
first_end_style_designatorPLAIN
first_end_thread_directionRIGHT-HAND
first_end_nominal_thread_size1.047 INCHES IN
first_end_thread_series_designatorNPT
NSN4820-01-400-3117
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A3171277 · 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: DISK, FLAT
•
FIRST END THREAD SERIES DESIGNATOR: NPT
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
BODY STYLE: SINGLE CONNECTION, STRAIGHT FLOW
•
FIRST END STYLE DESIGNATOR: PLAIN
•
END CONNECTION QUANTITY: 1
•
OPERATING PRESSURE: 2.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
VALVE VENTING DESIGN TYPE: ATMOSPHERIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK, FLAT
FIRST END THREAD SERIES DESIGNATORNPT
FIRST END THREAD DIRECTIONRIGHT-HAND
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
FIRST END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY1
OPERATING PRESSURE2.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
VALVE VENTING DESIGN TYPEATMOSPHERIC
FIRST END CONNECTION TYPETHREADED EXTERNAL PIPE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED1.047 INCHES IN
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 A3171277?
A3171277 is a VALVE,PRESSURE EQUALIZING,GASEOU.
What is the NSN for A3171277?
A3171277 is cataloged in the U.S. Government catalog under NSN 4820-01-400-3117. This indicates validated use in U.S. government and defense supply chains.
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