NSN 4820-01-175-9343 · NIIN 011759343 · Part number TCLN1FW1/2X5/8ODF10FTEE
Emerson Electric Co Alco Controls Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 70255
Government record, cited
NSN 4820-01-175-9343 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-175-9343. Manufacturer of record part number: TCLN1FW1/2X5/8ODF10FTEE.
Second End Relationship with First End: NOT IDENTICAL
Body Style: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
First End Style Designator: SOCKET
Valve Equalizer Connection Diameter: 0.250 INCHES NOMINAL IN
Identification
NSN: 4820-01-175-9343
NIIN: 011759343
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: TCLN1FW1/2X5/8ODF10FTEE
Manufacturer: Emerson Electric Co Alco Controls Div
General Description
The Valve,expansion, cataloged under National Stock Number 4820-01-175-9343, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Electric Co Alco Controls Div. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-175-9343
Primary Part Number
TCLN1FW1/2X5/8ODF10FTEE
Item Name
Valve,expansion
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Emerson Electric Co Alco Controls Div
Status
ACTIVE
Flow Control Device
DISK, FLAT
Valve Equalizer Location
EXTERNAL
Temp Rating
50.0 FAHRENHEIT DEGF
Second End Relationship with First End
NOT IDENTICAL
Body Style
ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
First End Style Designator
SOCKET
Valve Equalizer Connection Diameter
0.250 INCHES NOMINAL IN
Refrigeration Capacity in Btu Per Hour
12.0
End Connection Quantity
2
Capillary Tube Length
10.000 INCHES NOMINAL IN
Second End Style Designator
SOCKET
First End Connection Type
UNTHREADED INTERNAL TUBE
First End Outside Diameter Tube Accommodated
0.625 INCHES NOMINAL IN
Material
COPPER ALLOY BODY
Valve Expansion Control Type
PRESSURE
Media for Which Designed
REFRIGERANT 12
Valve Equalizer Connection Type
FLARED TUBE
Valve Pressure Limiting Device
NOT INCLUDED
Second End Connection Type
UNTHREADED INTERNAL TUBE
Second End Outside Diameter Tube Accommodated
0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-187-4948F23045ASSYTCLN2FW10FTTBINTNLPOSSIBLE MATCH
VALVE,EXPANSION
Possible match (shared part number)Emerson Electric Co Alco Controls Div
4820-01-187-6845TCLN3FW3/8X5/8 ODF10FTPOSSIBLE MATCH
VALVE,EXPANSION
Possible match (shared part number)Emerson Electric Co Alco Controls Div
4820-01-187-6846TCLN2FW3/8X1/2 ODF20FT.POSSIBLE MATCH
VALVE,EXPANSION
Possible match (shared part number)Emerson Electric Co Alco Controls Div
4820-01-187-6847TCLN2FC 1/2X3/8 30FT.POSSIBLE MATCH
VALVE,EXPANSION
Possible match (shared part number)Emerson Electric Co Alco Controls Div
4820-01-187-6848TCLN3FW3/8X5/8 ODF40FT.POSSIBLE MATCH
VALVE,EXPANSION
Possible match (shared part number)Emerson Electric Co Alco Controls Div
4820-01-187-6849TCLN3FW3/8X5/8 ODF30FT.POSSIBLE MATCH
VALVE,EXPANSION
Possible match (shared part number)Emerson Electric Co Alco Controls Div
4820-01-190-2782POSSIBLE MATCH
VALVE,EXPANSION
Possible match (shared part number)
4820-01-198-5626TCLN-1-FW-3/8X5/8-ODF ANG-20 EXTPOSSIBLE MATCH
VALVE,EXPANSION
Possible match (shared part number)Emerson Electric Co Alco Controls Div
4820-01-200-4264TCLN1FZ3/8X1/2ODF102CPOSSIBLE MATCH
VALVE,EXPANSION
Possible match (shared part number)Emerson Electric Co Alco Controls Div
4820-01-200-8590TCLN1FW.37X.62ODF15-3CPOSSIBLE MATCH
VALVE,EXPANSION
Possible match (shared part number)Emerson Electric Co Alco Controls Div
NSN 4820-01-175-9343 is a Valve,expansion, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-175-9343?
NSN 4820-01-175-9343 has 2 manufacturer part numbers on file: TCLN1FW1/2X5/8ODF10FTEE (Emerson Electric Co Alco Controls Div), F23045TCLN1FW1/2X5/8ODF10FTEE (Emerson Electric Co Alco Controls Div).
What NSN replaces 4820-01-175-9343?
11 possible matches (shared part number, not a government interchangeability claim): 4820-01-187-4948, 4820-01-187-6845, 4820-01-187-6846. Verify interchangeability with system specifications before substitution.
What are the specifications of TCLN1FW1/2X5/8ODF10FTEE?
Key specifications for TCLN1FW1/2X5/8ODF10FTEE: Flow Control Device: DISK, FLAT; Valve Equalizer Location: EXTERNAL; Temp Rating: 50.0 FAHRENHEIT DEGF; Second End Relationship with First End: NOT IDENTICAL. 20 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-175-9343 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.