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NSN 4820-01-443-9999Government record, cited

Regulator, Temperature and Pressu4820-01-443-9999

NSN 4820-01-443-9999 · NIIN 014439999 · Part number 50148-15
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 55378
Government record, cited
NSN 4820-01-443-9999 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-443-9999. Manufacturer of record part number: 50148-15.
Also searched as  4820-01-443-9999 · 4820014439999 · NIIN 014439999 · 01-443-9999 · FSC 4820 Valves, Nonpowered · CAGE 55378 · 50148-15
Nearby stock numbers  ·
Features
  • Regulator,temperature and Pressu — FSC 4820
  • Spring Operated Pressure Relief: NOT PROVIDED
  • Bulb Length: 15.000 INCHES NOMINAL IN
  • Bulb Diameter: 1.000 INCHES NOMINAL IN
  • Mounting Method: FLANGE
  • Capillary Tube Length: 480.000 INCHES NOMINAL IN
  • Valve Size for Which Designed: 1.000 INCHES IN
  • Operating Temp Rating: 77.0 FAHRENHEIT NOMINAL DEGF
Identification
  • NSN: 4820-01-443-9999
  • NIIN: 014439999
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 50148-15
  • Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
General Description

The Regulator,temperature and Pressu, cataloged under National Stock Number 4820-01-443-9999, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-443-9999
Primary Part Number50148-15
Item NameRegulator,temperature and Pressu
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Spring Operated Pressure ReliefNOT PROVIDED
Bulb Length15.000 INCHES NOMINAL IN
Bulb Diameter1.000 INCHES NOMINAL IN
Mounting MethodFLANGE
Capillary Tube Length480.000 INCHES NOMINAL IN
Valve Size for Which Designed1.000 INCHES IN
Operating Temp Rating77.0 FAHRENHEIT NOMINAL DEGF
Thermostat TypeBULB
Usage DesignSTEAM
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
50148-15 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
No interchangeability data on file.
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
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-443-9999?

NSN 4820-01-443-9999 is a Regulator,temperature and Pressu, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-443-9999?

NSN 4820-01-443-9999 has 1 manufacturer part number on file: 50148-15 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What are the specifications of 50148-15?

Key specifications for 50148-15: Spring Operated Pressure Relief: NOT PROVIDED; Bulb Length: 15.000 INCHES NOMINAL IN; Bulb Diameter: 1.000 INCHES NOMINAL IN; Mounting Method: FLANGE. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-443-9999 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.
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