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Technical Data Sheet

4959K2 BASIC 1/2 — Technical Data Sheet

✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: ALUMINUM BODY, body_style: STRAIGHT THRU, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, furnished_items: OUTLET PRESSURE GAGE, regulation_type: AUTOMATIC SINGLE STAGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-136-2790, 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
4959K2 BASIC 1/2
NSN: 4820-01-136-2790
FSC: 4820
CAGE: 94766 — VAN AIR, INC. (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialALUMINUM BODY
body_styleSTRAIGHT THRU
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
furnished_itemsOUTLET PRESSURE GAGE
regulation_typeAUTOMATIC SINGLE STAGE
flow_control_deviceSTEM AND INTEGRAL DISK
valve_loading_methodSPRING
outlet_pressure_range0.0 TO 125.0 CAMERA MOUNT
end_connection_quantity2
media_for_which_designedAIR
first_end_connection_typeTHREADED INTERNAL PIPE
NSN4820-01-136-2790
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 4959K2 BASIC 1/2 · 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
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1/2-14 NPT FIRST END
MATERIAL: ALUMINUM BODY
FURNISHED ITEMS: OUTLET PRESSURE GAGE
FIRST END STYLE DESIGNATOR: PLAIN
FIRST END CONNECTION TYPE: THREADED INTERNAL PIPE
MEDIA FOR WHICH DESIGNED: AIR
BODY STYLE: STRAIGHT THRU
FIRST END THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SIZE AND SERIES/TYPE DESIGNATOR1/2-14 NPT FIRST END
MATERIALALUMINUM BODY
FURNISHED ITEMSOUTLET PRESSURE GAGE
FIRST END STYLE DESIGNATORPLAIN
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
MEDIA FOR WHICH DESIGNEDAIR
BODY STYLESTRAIGHT THRU
FIRST END THREAD DIRECTIONRIGHT-HAND
FLOW CONTROL DEVICESTEM AND INTEGRAL DISK
FILTERNOT INCLUDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
3308264Interchangeable
interchangeable cross-reference
interchangeable
8782Interchangeable
interchangeable cross-reference
interchangeable
6346Interchangeable
interchangeable cross-reference
interchangeable
SMB604237-2Interchangeable
interchangeable cross-reference
interchangeable
901-163Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4959K2 BASIC 1/2?
4959K2 BASIC 1/2 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 4959K2 BASIC 1/2?
There are 5 known substitutes for 4959K2 BASIC 1/2: 3308264, 8782, 6346 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4959K2 BASIC 1/2?
4959K2 BASIC 1/2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-136-2790. This indicates validated use in U.S. government and defense supply chains.
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