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31770N — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

31770N: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: NICKEL ALLOY K-500 OR NICKEL ALLOY 502 STEM, body_style: STRAIGHT THRU, flow_control_device: DISK, valve_loading_method: SPRING, face_to_face_distance: 9.625 INCHES NOMINAL IN, outlet_pressure_range: 5.0 TO 20.0 CAMERA MOUNT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-423-3145, 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
31770N
NSN: 4820-01-423-3145
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY K-500 OR NICKEL ALLOY 502 STEM
body_styleSTRAIGHT THRU
flow_control_deviceDISK
valve_loading_methodSPRING
face_to_face_distance9.625 INCHES NOMINAL IN
outlet_pressure_range5.0 TO 20.0 CAMERA MOUNT
end_connection_quantity2
end_item_identificationVALVE, PRESSURE REDUCE 1.5 NPS
remote_actuation_methodDIAPHRAGM
first_end_connection_typePLAIN FACE FLANGE
first_end_recess_diameter1.656 INCHES NOMINAL IN
first_end_style_designatorRECESSED
NSN4820-01-423-3145
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31770N · 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
•
FIRST END BOLT HOLE QUANTITY: 6
•
FLOW CONTROL DEVICE: DISK
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END RECESS DIAMETER: 1.656 INCHES NOMINAL IN
•
REMOTE ACTUATION METHOD: DIAPHRAGM
•
BODY STYLE: STRAIGHT THRU
•
FACE TO FACE DISTANCE: 9.625 INCHES NOMINAL IN
•
FIRST END FLANGE OUTSIDE DIAMETER: 5.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END BOLT HOLE QUANTITY6
FLOW CONTROL DEVICEDISK
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END RECESS DIAMETER1.656 INCHES NOMINAL IN
REMOTE ACTUATION METHODDIAPHRAGM
BODY STYLESTRAIGHT THRU
FACE TO FACE DISTANCE9.625 INCHES NOMINAL IN
FIRST END FLANGE OUTSIDE DIAMETER5.062 INCHES NOMINAL IN
FIRST END STYLE DESIGNATORRECESSED
CRITICALITY CODE JUSTIFICATIONZZZY
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 5
31770NL1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HWWLN-2X 19692NReference document
Same NSN cross-reference
Reference document — Secondary reference
HWWLN-2X 19692N CD 31770NL1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HWWLN-2X 19692NL1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HWWLN-2X 19692N CD 31770NReference 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)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 31770N?
31770N is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 31770N?
There are 5 known substitutes for 31770N: 31770NL1, HWWLN-2X 19692N, HWWLN-2X 19692N CD 31770NL1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31770N?
31770N is cataloged in the U.S. Government catalog under NSN 4820-01-423-3145. This indicates validated use in U.S. government and defense supply chains.
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