PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50-279Calculator,electronic

Raytheon Company Dba Raytheon · NSN 7420-01-071-3057 · FSC 7420 · No Item Name Available
Verified by PartsTable
NSN 7420-01-071-3057 — this item is cataloged by the U.S. Government under National Stock Number 7420-01-071-3057. Primary manufacturer part number: 50-279.
Features
  • Calculator,electronic — FSC 7420
  • Carrying Case: NOT PROVIDED
  • Current Type: DC
  • Keyboard Type: 10 KEY
  • Unit Type: NONLISTING
  • Operation Method: ELECTRICAL
  • Display Type: LIQUID CRYSTAL
  • Radio Interference Shielding: NOT PROVIDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Calculator,electronic, cataloged under National Stock Number 7420-01-071-3057, is classified within Federal Supply Class 7420 (No Item Name Available) of the Office Machines and Visible Record Equipment group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN7420-01-071-3057
Primary Part Number50-279
Item NameCalculator,electronic
FSC / FSG7420 / 74 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Carrying CaseNOT PROVIDED
Current TypeDC
Keyboard Type10 KEY
Unit TypeNONLISTING
Operation MethodELECTRICAL
Display TypeLIQUID CRYSTAL
Radio Interference ShieldingNOT PROVIDED
Automatic Multiplication FeatureINCLUDED
Digit Entering Capacity8
Key Function for Which DesignedMEMORY CLEAR AND MEMORY RECALL AND PERCENTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-00-268-91581105-318 INTERCHANGEABLE
Valve,gate
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4210-00-306-5274552491624 INTERCHANGEABLE
Holder Assembly,nozzle and Hose
Harold D Hard Co
7420-01-073-89215TI-1750 INTERCHANGEABLE
Calculator,electronic
Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division
Cross-Reference Index
Part NumberManufacturer
50-279 Raytheon Company Dba Raytheon (USA)
TI-1025 Texas Instruments Incorporated (USA)
TI-1025 Raytheon Company Dba Raytheon (USA)
50-279 Texas Instruments Inc Consumer Products Div (USA)
Related Parts
4820-00-268-9158INTERCHANGEABLE
VALVE,GATE
1105-318
4210-00-306-5274INTERCHANGEABLE
HOLDER ASSEMBLY,NOZZLE AND HOSE
552491624
7420-01-073-8921INTERCHANGEABLE
CALCULATOR,ELECTRONIC
5TI-1750

Frequently Asked Questions

What is NSN 7420-01-071-3057?

NSN 7420-01-071-3057 is a Calculator,electronic, manufactured by Raytheon Company Dba Raytheon, classified under FSC 7420 (No Item Name Available). Status: active.

What are the part numbers for NSN 7420-01-071-3057?

NSN 7420-01-071-3057 has 4 cross-referenced part numbers: 50-279 (Raytheon Company Dba Raytheon), TI-1025 (Texas Instruments Incorporated), TI-1025 (Raytheon Company Dba Raytheon), 50-279 (Texas Instruments Inc Consumer Products Div).

What NSN replaces 7420-01-071-3057?

There are 3 known substitutes for 7420-01-071-3057: 4820-00-268-9158, 4210-00-306-5274, 7420-01-073-8921. Verify interchangeability with system specifications before substitution.

What are the specifications of 50-279?

Key specifications for 50-279: Carrying Case: NOT PROVIDED; Current Type: DC; Special Features: AUTOMATIC CONSTANT WITH FOUR FUNCTIONS;VERSATILE MEMORY; Keyboard Type: 10 KEY. 11 total characteristics are documented in the Federal Logistics Information System.

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