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9454208 — VALVE,EXPANSION

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9454208: VALVE,EXPANSION.

The VALVE,EXPANSION is a the manufacturer industrial component. Key specifications include body_style: STRAIGHT THRU, bulb_length: 3.000 INCHES NOMINAL IN, bulb_diameter: 0.500 INCHES NOMINAL IN, face_to_face_distance: 2.760 INCHES NOMINAL IN, end_item_identification: NSN 4120-01-449-0459, media_for_which_designed: REFRIGERANT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-494-3204, 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
9454208
NSN: 4820-01-494-3204
NIINs: 014943204, 015329112
FSC: 4820 — Valves, Nonpowered
CAGE: 98750 — SAN ANTONIO AIR LOGISTICS CENTER (USA)
SPECIFICATIONS
body_styleSTRAIGHT THRU
bulb_length3.000 INCHES NOMINAL IN
bulb_diameter0.500 INCHES NOMINAL IN
face_to_face_distance2.760 INCHES NOMINAL IN
end_connection_quantity2
end_item_identificationNSN 4120-01-449-0459
media_for_which_designedREFRIGERANT
valve_equalizer_locationEXTERNAL
first_end_connection_typeTHREADED EXTERNAL TUBE
first_end_style_designatorBELL
second_end_relationship_with_first_endIDENTICAL
first_end_outside_diameter_tube_accommodated0.625 INCHES NOMINAL IN
NSN4820-01-494-3204
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9454208 · 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
•
VALVE EQUALIZER LOCATION: EXTERNAL
•
BODY STYLE: STRAIGHT THRU
•
VALVE EQUALIZER CONNECTION DIAMETER: 0.250 INCHES NOMINAL IN
•
MOUNTING METHOD: CLAMP BULB
•
END CONNECTION QUANTITY: 2
•
CAPILLARY TUBE LENGTH: 30.000 INCHES NOMINAL IN
•
FIRST END CONNECTION TYPE: BUTT WELD TUBE
•
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
VALVE EQUALIZER LOCATIONEXTERNAL
BODY STYLESTRAIGHT THRU
VALVE EQUALIZER CONNECTION DIAMETER0.250 INCHES NOMINAL IN
MOUNTING METHODCLAMP BULB
END CONNECTION QUANTITY2
CAPILLARY TUBE LENGTH30.000 INCHES NOMINAL IN
FIRST END CONNECTION TYPEBUTT WELD TUBE
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE, THERMAL EXPANSION
END ITEM IDENTIFICATIONNSN 4120-01-449-0459 AIR CONDITIONER
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9454208?
9454208 is a VALVE,EXPANSION.
What is the NSN for 9454208?
9454208 is cataloged in the U.S. Government catalog under NSN 4820-01-494-3204. 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.