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12438496-1 — VALVE,EXPANSION

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

12438496-1: VALVE,EXPANSION.

The VALVE,EXPANSION is a the manufacturer industrial component. Key specifications include body_style: STRAIGHT THRU, end_item_identification: M1A2 COOLING INSTALL SEP TANK, media_for_which_designed: REFRIGERANT, valve_expansion_control_type: THERMOSTATIC, part_name_assigned_by_controlling_agency: VALVE, THERMAL EXPANSION (TXV). This part is cataloged in the U.S.

Government catalog under NSN 4820-01-520-3607, 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
12438496-1
NSN: 4820-01-520-3607
FSC: 4820 — Valves, Nonpowered
CAGE: 01417 — GENERAL DYNAMICS LAND SYSTEMS INC. (USA)
SPECIFICATIONS
body_styleSTRAIGHT THRU
end_connection_quantity4
end_item_identificationM1A2 COOLING INSTALL SEP TANK
media_for_which_designedREFRIGERANT
valve_expansion_control_typeTHERMOSTATIC
part_name_assigned_by_controlling_agencyVALVE, THERMAL EXPANSION (TXV)
NSN4820-01-520-3607
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 12438496-1 · 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
•
BODY STYLE: STRAIGHT THRU
•
END CONNECTION QUANTITY: 4
•
VALVE EXPANSION CONTROL TYPE: THERMOSTATIC
•
MEDIA FOR WHICH DESIGNED: REFRIGERANT
TECHNICAL CHARACTERISTICS
BODY STYLESTRAIGHT THRU
END CONNECTION QUANTITY4
SPECIAL FEATURESRATED CAPACITY IN R-134C SYSTEM = 1.7 TONS AT 90 PSID 32 DEG F; MAXIMUM OPERATING PRESSURE 65 + OR - 5 PSIG; SUPERHEAT SETTING 8 - 12 DEG F; PROOF PRESSURE 425 PSIG MIN AT 200 DEG F MIN; BURST PRESSURE 850 PSIG MIN AT 200 DEG F MIN. SUGGESTED SORCE OF SUPPLY EATON CORPORATION AUTOMOTIVE CONTROLS DIV. 191 EAST NORTH AVE. CAROL STREAM, IL. 60188-2090 PART NO. 929-458 DEGF
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE, THERMAL EXPANSION (TXV)
END ITEM IDENTIFICATIONM1A2 COOLING INSTALL SEP TANK
VALVE EXPANSION CONTROL TYPETHERMOSTATIC
MEDIA FOR WHICH DESIGNEDREFRIGERANT
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 1
12438496Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12438496-1?
12438496-1 is a VALVE,EXPANSION.
What parts can replace 12438496-1?
There is 1 known substitute for 12438496-1: 12438496. Substitute compatibility should be verified for your specific system.
What is the NSN for 12438496-1?
12438496-1 is cataloged in the U.S. Government catalog under NSN 4820-01-520-3607. This indicates validated use in U.S. government and defense supply chains.
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