PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2781Heater,range Focus

Cox & Company, Inc. Dba Cox & Co Inc · NSN 4540-01-191-4965 · FSC 4540 · No Item Name Available
Verified by PartsTable
NSN 4540-01-191-4965 — this item is cataloged by the U.S. Government under National Stock Number 4540-01-191-4965. Primary manufacturer part number: 2781.
Features
  • Heater,range Focus — FSC 4540
  • 2 verified cross-references
  • Primary manufacturer: Cox & Company, Inc. Dba Cox & Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,range Focus, cataloged under National Stock Number 4540-01-191-4965, is classified within Federal Supply Class 4540 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Cox & Company, Inc. Dba Cox & Co Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHeater,range Focus
FSC / FSG4540 — No Item Name Available (FSG 45)
ManufacturersCox & Company, Inc. Dba Cox & Co Inc (CAGE 98085); Bae Systems Information and Electronic Systems Integration Inc. (CAGE 72314)
Technical Specifications
ParameterValue
NSN4540-01-191-4965
Primary Part Number2781
Item NameHeater,range Focus
FSC / FSG4540 / 45 — No Item Name Available
ManufacturerCox & Company, Inc. Dba Cox & Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-087-6367 INTERCHANGEABLE
Disk,valve
4720-00-402-5141 INTERCHANGEABLE
Hose,nonmetallic
4720-00-430-3264 INTERCHANGEABLE
Hose Assembly,nonmetallic
6140-00-538-8024 INTERCHANGEABLE
Battery,storage
5950-00-646-2629 INTERCHANGEABLE
Reactor
5840-00-699-30952781 INTERCHANGEABLE
Desiccant Set
Naval Inventory Control Point Mechanicsburg
6625-00-735-25732781 INTERCHANGEABLE
Resistor,decade
Honeywell Inc Process Control Div
5905-01-162-91462781 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
6515-01-239-69822781 INTERCHANGEABLE
Cuff,sphygmomanometer
Critikon Inc Sub of Johnson and Johnson
5340-01-527-98341264839-2 INTERCHANGEABLE
Bracket,mounting
General Dynamics Mission Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
2781 PRIMARY Cox & Company, Inc. Dba Cox & Co Inc (USA)
1264-839 Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
4820-00-087-6367INTERCHANGEABLE
DISK,VALVE
4720-00-402-5141INTERCHANGEABLE
HOSE,NONMETALLIC
4720-00-430-3264INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6140-00-538-8024INTERCHANGEABLE
BATTERY,STORAGE
5950-00-646-2629INTERCHANGEABLE
REACTOR
5840-00-699-3095INTERCHANGEABLE
DESICCANT SET
2781
6625-00-735-2573INTERCHANGEABLE
RESISTOR,DECADE
2781
5905-01-162-9146INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
2781
6515-01-239-6982INTERCHANGEABLE
CUFF,SPHYGMOMANOMETER
2781
5340-01-527-9834INTERCHANGEABLE
BRACKET,MOUNTING
1264839-2
5340-01-527-9835INTERCHANGEABLE
BRACKET,MOUNTING
1264839-3
6540-01-549-9019INTERCHANGEABLE
CABLE,POWER,SLIT LAMP,OPHTHALMIC
PCORD

Frequently Asked Questions

What is NSN 4540-01-191-4965?

NSN 4540-01-191-4965 is a Heater,range Focus, manufactured by Cox & Company, Inc. Dba Cox & Co Inc, classified under FSC 4540 (No Item Name Available). Status: active.

What are the part numbers for NSN 4540-01-191-4965?

NSN 4540-01-191-4965 has 2 cross-referenced part numbers: 2781 (Cox & Company, Inc. Dba Cox & Co Inc), 1264-839 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 4540-01-191-4965?

There are 12 known substitutes for 4540-01-191-4965: 4820-00-087-6367, 4720-00-402-5141, 4720-00-430-3264 and 9 more. Verify interchangeability with system specifications before substitution.

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