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31-02638-39 — VALVE,PRESSURE EQUALIZING,GASEOU

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

31-02638-39: VALVE,PRESSURE EQUALIZING,GASEOU.

VALVE,PRESSURE EQUALIZING,GASEOU. Key specifications include material: ALUMINUM BODY, body_style: SINGLE CONNECTION, operating_pressure: 5.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, flow_control_device: DISK, FLAT, first_end_thread_class: 2A A, media_for_which_designed: ANY ACCEPTABLE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-229-9659, 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
31-02638-39
NSN: 4820-01-229-9659
FSC: 4820 — Valves, Nonpowered
CAGE: 54278 — ERIE ENGINEERED PRODUCTS INC (USA)
SPECIFICATIONS
materialALUMINUM BODY
body_styleSINGLE CONNECTION
operating_pressure5.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
flow_control_deviceDISK, FLAT
first_end_thread_class2A A
end_connection_quantity1
media_for_which_designedANY ACCEPTABLE
valve_relief_design_typePRESSURE AND VACUUM
first_end_connection_typeTHREADED EXTERNAL TUBE
valve_venting_design_typeATMOSPHERIC
first_end_style_designatorPLAIN
first_end_thread_directionRIGHT-HAND
NSN4820-01-229-9659
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31-02638-39 · 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 DIRECTION: RIGHT-HAND
•
BODY STYLE: SINGLE CONNECTION
•
FIRST END THREAD CLASS: 2A A
•
FIRST END STYLE DESIGNATOR: PLAIN
•
END CONNECTION QUANTITY: 1
•
OPERATING PRESSURE: 5.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
VALVE VENTING DESIGN TYPE: ATMOSPHERIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK, FLAT
FIRST END THREAD DIRECTIONRIGHT-HAND
BODY STYLESINGLE CONNECTION
FIRST END THREAD CLASS2A A
FIRST END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY1
OPERATING PRESSURE5.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
VALVE VENTING DESIGN TYPEATMOSPHERIC
FIRST END CONNECTION TYPETHREADED EXTERNAL TUBE
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES NOMINAL 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 1
462575-03Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31-02638-39?
31-02638-39 is a VALVE,PRESSURE EQUALIZING,GASEOU.
What parts can replace 31-02638-39?
There is 1 known substitute for 31-02638-39: 462575-03. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-02638-39?
31-02638-39 is cataloged in the U.S. Government catalog under NSN 4820-01-229-9659. This indicates validated use in U.S. government and defense supply chains.
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