PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5144-1Thermal Element,temperature Regu

Aerco International, Inc. Dba Aerco International Inc · NSN 4820-01-044-1668 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-044-1668 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-044-1668. Primary manufacturer part number: 5144-1.
Features
  • Thermal Element,temperature Regu — FSC 4820
  • General Characteristics Item Description: 8.0FT. CAPILLARY,RANGE 50.0-250.0 DEG F,44CC BULB VOLUME,WORKING LOAD 15-20LB,DESIGN LOAD 24LB LBS
  • 3 verified cross-references
  • Primary manufacturer: Aerco International, Inc. Dba Aerco International Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Thermal Element,temperature Regu, cataloged under National Stock Number 4820-01-044-1668, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerco International, Inc. Dba Aerco International Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-044-1668
Primary Part Number5144-1
Item NameThermal Element,temperature Regu
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusCANCELLED
General Characteristics Item Description8.0FT. CAPILLARY,RANGE 50.0-250.0 DEG F,44CC BULB VOLUME,WORKING LOAD 15-20LB,DESIGN LOAD 24LB LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5841-00-216-486451441 INTERCHANGEABLE
Gear Assembly,-Nten
Raytheon Company Dba Raytheon
8345-00-245-2795 INTERCHANGEABLE
Flag,individual
8345-00-262-2405 INTERCHANGEABLE
Flag,identification
4730-00-265-69093B9395 INTERCHANGEABLE
Nipple,tube
Caterpillar Inc Div Caterpillar Defense
2520-00-392-5023 INTERCHANGEABLE
Fork
4820-00-903-09185144 INTERCHANGEABLE
Thermal Element,temperature Regu
Aerco International, Inc. Dba Aerco International Inc
6510-00-926-88821538-1 INTERCHANGEABLE
Adhesive Tape,surgical
3m Company Div Health Care Business
6640-01-040-821651441 INTERCHANGEABLE
Oven,laboratory
Spx Corporation
9905-01-044-882751441 INTERCHANGEABLE
Plate,instruction
Rotary Vacuum Pumps Inc
6510-01-073-06205144 INTERCHANGEABLE
Adhesive Tape,surgical
Johnson & Johnson Sales and Logistics Company Llc Div Sales and Logistics Company, Llc
Cross-Reference Index
Part NumberManufacturer
5144-1 PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
20155-56 Aerco International, Inc. Dba Aerco International Inc (USA)
5144 Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
5841-00-216-4864INTERCHANGEABLE
GEAR ASSEMBLY,-NTEN
51441
8345-00-245-2795INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-262-2405INTERCHANGEABLE
FLAG,IDENTIFICATION
4730-00-265-6909INTERCHANGEABLE
NIPPLE,TUBE
3B9395
2520-00-392-5023INTERCHANGEABLE
FORK
4820-00-903-0918INTERCHANGEABLE
THERMAL ELEMENT,TEMPERATURE REGU
5144
6510-00-926-8882INTERCHANGEABLE
ADHESIVE TAPE,SURGICAL
1538-1
6640-01-040-8216INTERCHANGEABLE
OVEN,LABORATORY
51441
9905-01-044-8827INTERCHANGEABLE
PLATE,INSTRUCTION
51441
6510-01-073-0620INTERCHANGEABLE
ADHESIVE TAPE,SURGICAL
5144
8345-01-155-8892INTERCHANGEABLE
FLAG,IDENTIFICATION
5210-01-186-1043INTERCHANGEABLE
STRAIGHTEDGE

Frequently Asked Questions

What is NSN 4820-01-044-1668?

NSN 4820-01-044-1668 is a Thermal Element,temperature Regu, manufactured by Aerco International, Inc. Dba Aerco International Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-044-1668?

NSN 4820-01-044-1668 has 3 cross-referenced part numbers: 5144-1 (Aerco International, Inc. Dba Aerco International Inc), 20155-56 (Aerco International, Inc. Dba Aerco International Inc), 5144 (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4820-01-044-1668?

There are 12 known substitutes for 4820-01-044-1668: 5841-00-216-4864, 8345-00-245-2795, 8345-00-262-2405 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5144-1?

Key specifications for 5144-1: General Characteristics Item Description: 8.0FT. CAPILLARY,RANGE 50.0-250.0 DEG F,44CC BULB VOLUME,WORKING LOAD 15-20LB,DESIGN LOAD 24LB LBS; End Item Identification: AERCO INTL,INC. TYPE HLK-TA TEMPERATURE REGULATOR. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-044-1668 still in active supply?

NSN 4820-01-044-1668 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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