PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SR11Calculator,electronic

Texas Instruments Incorporated · NSN 7420-00-149-1408 · FSC 7420 · No Item Name Available
Verified by PartsTable
NSN 7420-00-149-1408 — this item is cataloged by the U.S. Government under National Stock Number 7420-00-149-1408. Primary manufacturer part number: SR11.
Features
  • Calculator,electronic — FSC 7420
  • Radio Interference Shielding: NOT PROVIDED
  • Carrying Case: PROVIDED
  • Digit Totalizing Capacity: 8
  • Digit Entering Capacity: 8
  • Current Type: DC
  • Unit Type: NONLISTING
  • Keyboard Type: 10 KEY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Calculator,electronic, cataloged under National Stock Number 7420-00-149-1408, 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 Texas Instruments Incorporated. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN7420-00-149-1408
Primary Part NumberSR11
Item NameCalculator,electronic
FSC / FSG7420 / 74 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Radio Interference ShieldingNOT PROVIDED
Carrying CasePROVIDED
Digit Totalizing Capacity8
Digit Entering Capacity8
Current TypeDC
Unit TypeNONLISTING
Keyboard Type10 KEY
Automatic Multiplication FeatureINCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6625-00-133-75487913357 INTERCHANGEABLE
Resistance Standard
Us Army Aviation and Missile Command
5975-00-617-7138SR11-2 INTERCHANGEABLE
Bushing,strain Relief,cable
Heyco Inc Dba Heyco Products
5940-00-644-9288 INTERCHANGEABLE
Terminal,lug
2920-01-274-1708SR11 INTERCHANGEABLE
Relay-Solenoid,engine Starter,el
Wheeler Fleet Solutions, Co.
Cross-Reference Index
Part NumberManufacturer
SR11 Texas Instruments Incorporated (USA)
Related Parts
6625-00-133-7548INTERCHANGEABLE
RESISTANCE STANDARD
7913357
5975-00-617-7138INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
SR11-2
5940-00-644-9288INTERCHANGEABLE
TERMINAL,LUG
2920-01-274-1708INTERCHANGEABLE
RELAY-SOLENOID,ENGINE STARTER,EL
SR11

Frequently Asked Questions

What is NSN 7420-00-149-1408?

NSN 7420-00-149-1408 is a Calculator,electronic, manufactured by Texas Instruments Incorporated, classified under FSC 7420 (No Item Name Available). Status: active.

What are the part numbers for NSN 7420-00-149-1408?

NSN 7420-00-149-1408 has 1 cross-referenced part number: SR11 (Texas Instruments Incorporated).

What NSN replaces 7420-00-149-1408?

There are 4 known substitutes for 7420-00-149-1408: 6625-00-133-7548, 5975-00-617-7138, 5940-00-644-9288 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SR11?

Key specifications for SR11: Radio Interference Shielding: NOT PROVIDED; Carrying Case: PROVIDED; Digit Totalizing Capacity: 8; Digit Entering Capacity: 8. 9 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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