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253B-1-40-1 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

253B-1-40-1: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include valve_size: 1.270 INCHES IN, flange_shape: ROUND ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU, mounting_facility: BRACKET(S), nominal_thickness: 2.250 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-483-8022, 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
253B-1-40-1
NSN: 4810-01-483-8022
FSC: 4810 — Valves, Powered
CAGE: 23582 — MKS INC. (USA)
SPECIFICATIONS
valve_size1.270 INCHES IN
flange_shapeROUND ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU
mounting_facilityBRACKET(S)
nominal_thickness2.250 INCHES ALL ENDS IN
flange_face_designPLAIN ALL ENDS
current_rating_in_amps1.000
maximum_operating_temp90.0 CELSIUS SINGLE RESPONSE DEGC
valve_operation_methodELECTRIC MOTOR
end_item_identificationREENTRY SYSTEM TEST SET (RSTS)
media_for_which_designedAIR SINGLE RESPONSE
NSN4810-01-483-8022
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 253B-1-40-1 · 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
•
FLANGE SHAPE: ROUND ALL ENDS
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 15.0 DC
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
VALVE SIZE: 1.270 INCHES IN
•
MAXIMUM OPERATING TEMP: 90.0 CELSIUS SINGLE RESPONSE DEGC
•
NOMINAL OUTSIDE DIAMETER: 2.750 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
VOLTAGE IN VOLTS AND CURRENT TYPE15.0 DC
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
VALVE SIZE1.270 INCHES IN
MAXIMUM OPERATING TEMP90.0 CELSIUS SINGLE RESPONSE DEGC
NOMINAL OUTSIDE DIAMETER2.750 INCHES ALL ENDS IN
MOUNTING FACILITYBRACKET(S)
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES 1
9452972-01Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 253B-1-40-1?
253B-1-40-1 is a VALVE,BUTTERFLY.
What parts can replace 253B-1-40-1?
There is 1 known substitute for 253B-1-40-1: 9452972-01. Substitute compatibility should be verified for your specific system.
What is the NSN for 253B-1-40-1?
253B-1-40-1 is cataloged in the U.S. Government catalog under NSN 4810-01-483-8022. This indicates validated use in U.S. government and defense supply chains.
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