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3257953 — VALVE,REGULATING,TEMPERATURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3257953: VALVE,REGULATING,TEMPERATURE.

The VALVE,REGULATING,TEMPERATURE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, body_style: TEE, bulb_length: 1.875 INCHES NOMINAL IN, temp_rating: 89.0 FAHRENHEIT MINIMUM AND 95.0 FAHRENHEIT MAXIMUM DEGF, bulb_diameter: 2.000 INCHES NOMINAL IN, temp_adjustability: ADJUSTABLE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-255-9601, 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
3257953
NSN: 4820-01-255-9601
FSC: 4820 — Valves, Nonpowered
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
body_styleTEE
bulb_length1.875 INCHES NOMINAL IN
temp_rating89.0 FAHRENHEIT MINIMUM AND 95.0 FAHRENHEIT MAXIMUM DEGF
bulb_diameter2.000 INCHES NOMINAL IN
temp_adjustabilityADJUSTABLE
flow_control_deviceDIAPHRAGM
thermostatic_elementINTEGRAL W/VALVE
two-way_valve_actionDIRECT ACTING
capillary_tube_length168.000 INCHES NOMINAL IN
face_to_face_distance8.688 INCHES MINIMUM AND 8.812 INCHES MAXIMUM IN
end_connection_quantity3
NSN4820-01-255-9601
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3257953 · 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: DIAPHRAGM
•
TWO-WAY VALVE ACTION: DIRECT ACTING
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: TEE
•
FACE TO FACE DISTANCE: 8.688 INCHES MINIMUM AND 8.812 INCHES MAXIMUM IN
•
THIRD END RELATIONSHIP WITH PRECEDING ENDS: IDENTICAL WITH FIRST END
•
FIRST END STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
FIRST END BOLT HOLE QUANTITY6
FLOW CONTROL DEVICEDIAPHRAGM
TWO-WAY VALVE ACTIONDIRECT ACTING
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLETEE
FACE TO FACE DISTANCE8.688 INCHES MINIMUM AND 8.812 INCHES MAXIMUM IN
THIRD END RELATIONSHIP WITH PRECEDING ENDSIDENTICAL WITH FIRST END
FIRST END STYLE DESIGNATORPLAIN
BULB LENGTH1.875 INCHES NOMINAL IN
BULB DIAMETER2.000 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

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 3257953?
3257953 is a VALVE,REGULATING,TEMPERATURE.
What is the NSN for 3257953?
3257953 is cataloged in the U.S. Government catalog under NSN 4820-01-255-9601. This indicates validated use in U.S. government and defense supply chains.
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