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659209 — VALVE,RELIEF,PRESSURE AND TEMPER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

659209: VALVE,RELIEF,PRESSURE AND TEMPER.

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include body_style: STRAIGHT THRU, flow_control_device: PISTON, WEIGHTED TYPE, media_for_which_designed: AIR, first_end_connection_type: UNTHREADED EXTERNAL TUBE, first_end_style_designator: PLAIN, second_end_connection_type: UNTHREADED EXTERNAL TUBE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-404-1982, 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
659209
NSN: 4820-00-404-1982
FSC: 4820 — Valves, Nonpowered
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
body_styleSTRAIGHT THRU
flow_control_devicePISTON, WEIGHTED TYPE
end_connection_quantity2
media_for_which_designedAIR
first_end_connection_typeUNTHREADED EXTERNAL TUBE
first_end_style_designatorPLAIN
second_end_connection_typeUNTHREADED EXTERNAL TUBE
second_end_style_designatorBEADED
second_end_relationship_with_first_endNOT IDENTICAL
NSN4820-00-404-1982
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 659209 · 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: PISTON, WEIGHTED TYPE
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
FIRST END STYLE DESIGNATOR: PLAIN
•
END CONNECTION QUANTITY: 2
•
SECOND END STYLE DESIGNATOR: BEADED
•
FIRST END CONNECTION TYPE: UNTHREADED EXTERNAL TUBE
•
MEDIA FOR WHICH DESIGNED: AIR
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPISTON, WEIGHTED TYPE
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
BODY STYLESTRAIGHT THRU
FIRST END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY2
SECOND END STYLE DESIGNATORBEADED
FIRST END CONNECTION TYPEUNTHREADED EXTERNAL TUBE
MEDIA FOR WHICH DESIGNEDAIR
SECOND END CONNECTION TYPEUNTHREADED EXTERNAL TUBE
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
Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 659209?
659209 is a VALVE,RELIEF,PRESSURE AND TEMPER.
What is the NSN for 659209?
659209 is cataloged in the U.S. Government catalog under NSN 4820-00-404-1982. This indicates validated use in U.S. government and defense supply chains.
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