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42A5250-1.5IN — VALVE,DIAPHRAGM,STOP

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

42A5250-1.5IN: VALVE,DIAPHRAGM,STOP.

The VALVE,DIAPHRAGM,STOP is a the manufacturer industrial component. Key specifications include material: STEEL STEM, valve_size: 1.500 INCHES IN, special_features: W/PNEUMATIC DIAPHRAGM ACTUATORS, style_designator: STRAIGHT THRU FLANGED ENDS, maximum_operating_temp: -40.0 FAHRENHEIT FIRST RESPONSE DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-305-7847, 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
42A5250-1.5IN
NSN: 4810-01-305-7847
FSC: 4810 — Valves, Powered
CAGE: 22508 — FISHER CONTROLS CO INC (USA)
SPECIFICATIONS
materialSTEEL STEM
valve_size1.500 INCHES IN
special_featuresW/PNEUMATIC DIAPHRAGM ACTUATORS
style_designatorSTRAIGHT THRU FLANGED ENDS
maximum_operating_temp-40.0 FAHRENHEIT FIRST RESPONSE DEGF
NSN4810-01-305-7847
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 42A5250-1.5IN · 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
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
VALVE SIZE: 1.500 INCHES IN
•
MAXIMUM OPERATING TEMP: 180.0 FAHRENHEIT SECOND RESPONSE DEGF
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE1.500 INCHES IN
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SECOND RESPONSE DEGF
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT FIRST RESPONSE DEGF
SPECIAL FEATURESW/PNEUMATIC DIAPHRAGM ACTUATORS
MATERIALSTEEL BODY
MATERIALSTEEL STEM
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
657-ES-ACMESame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 42A5250-1.5IN?
42A5250-1.5IN is a VALVE,DIAPHRAGM,STOP.
What parts can replace 42A5250-1.5IN?
There is 1 known substitute for 42A5250-1.5IN: 657-ES-ACME. Substitute compatibility should be verified for your specific system.
What is the NSN for 42A5250-1.5IN?
42A5250-1.5IN is cataloged in the U.S. Government catalog under NSN 4810-01-305-7847. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.