PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FT990DTURTerminal,feedthru

Itt Cannon Rf Products · NSN 5940-00-177-4425 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-177-4425 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-177-4425. Primary manufacturer part number: FT990DTUR.
Features
  • Terminal,feedthru — FSC 5940
  • Dry Flashover Voltage Rating in Volts: 4000.0
  • Second End Terminal Length: 0.234 INCHES IN
  • Minor Bushing Diameter: 0.148 INCHES IN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE MOUNTING FACILITY
  • Major Bushing Length: 0.187 INCHES IN
  • Surface Treatment: SILVER CONDUCTOR ACCOMMODATION SINGLE LAYER
  • First End Terminal Length: 0.250 INCHES IN
Applications
  • Applications requiring Plastic Polytetrafluoroethylene Mounting Facility construction
General Description

The Terminal,feedthru, cataloged under National Stock Number 5940-00-177-4425, is classified within Federal Supply Class 5940 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Itt Cannon Rf Products. Government technical data includes 18 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5940-00-177-4425
Primary Part NumberFT990DTUR
Item NameTerminal,feedthru
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerItt Cannon Rf Products
StatusACTIVE
Dry Flashover Voltage Rating in Volts4000.0
Second End Terminal Length0.234 INCHES IN
Minor Bushing Diameter0.148 INCHES IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE MOUNTING FACILITY
Major Bushing Length0.187 INCHES IN
Surface TreatmentSILVER CONDUCTOR ACCOMMODATION SINGLE LAYER
First End Terminal Length0.250 INCHES IN
Mounting Method StylePRESS FIT
Major Bushing Diameter0.172 INCHES IN
Electrical Insulation FeatureINSULATING MOUNTING BUSHING
Conductor Accommodation TypeNAILHEAD SECOND END
Minor Bushing Length0.165 INCHES IN
MaterialCOPPER ALLOY CONDUCTOR ACCOMMODATION
Basic Shape StyleNONTUBULAR ROUND
Overall Diameter0.172 INCHES0.172 INCHES IN
Conductor Accommodation TypeDOUBLE TURRET FIRST END
MaterialPLASTIC POLYTETRAFLUOROETHYLENE INSULATION
Turret Minor Diameter0.050 INCHES SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-681-0143011-2059-479 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
5940-00-782-7148SM-B-165915-3 INTERCHANGEABLE
Terminal,feedthru
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
FT990DTUR PRIMARY Itt Cannon Rf Products (USA)
6861944 Rolls-Royce Airlines (GBR)
3409879 Rolls-Royce Airlines (GBR)
6861944 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
Related Parts
5940-00-681-0143INTERCHANGEABLE
TERMINAL,FEEDTHRU
011-2059-479
5940-00-782-7148INTERCHANGEABLE
TERMINAL,FEEDTHRU
SM-B-165915-3

Frequently Asked Questions

What is NSN 5940-00-177-4425?

NSN 5940-00-177-4425 is a Terminal,feedthru, manufactured by Itt Cannon Rf Products, classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-00-177-4425?

NSN 5940-00-177-4425 has 4 cross-referenced part numbers: FT990DTUR (Itt Cannon Rf Products), 6861944 (Rolls-Royce Airlines), 3409879 (Rolls-Royce Airlines), 6861944 (Allison Transmission Inc Dba Allison Transmission, Inc).

What NSN replaces 5940-00-177-4425?

There are 2 known substitutes for 5940-00-177-4425: 5940-00-681-0143, 5940-00-782-7148. Verify interchangeability with system specifications before substitution.

What are the specifications of FT990DTUR?

Key specifications for FT990DTUR: Dry Flashover Voltage Rating in Volts: 4000.0; Second End Terminal Length: 0.234 INCHES IN; Minor Bushing Diameter: 0.148 INCHES IN; Material: PLASTIC POLYTETRAFLUOROETHYLENE MOUNTING FACILITY. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com