PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K-1057-BJack,tip

Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division · NSN 5935-00-681-4424 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-681-4424 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-681-4424. Primary manufacturer part number: K-1057-B.
Features
  • Jack,tip — FSC 5935
  • Body Length: 0.843 INCHES NOMINAL IN
  • Bushing Accommodation Hole Shape: ROUND
  • Overall Diameter: 0.625 INCHES NOMINAL IN
  • Material: COPPER TERMINAL
  • Bushing Thru-Hole Accommodation Diameter: 0.375 INCHES NOMINAL IN
  • Material: COPPER ALLOY BUSHING
  • Current Rating in Amps: 10.0
Applications
  • Applications requiring Copper Terminal construction
General Description

The Jack,tip, cataloged under National Stock Number 5935-00-681-4424, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN5935-00-681-4424
Primary Part NumberK-1057-B
Item NameJack,tip
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerHubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
StatusACTIVE
Body Length0.843 INCHES NOMINAL IN
Bushing Accommodation Hole ShapeROUND
Overall Diameter0.625 INCHES NOMINAL IN
MaterialCOPPER TERMINAL
Bushing Thru-Hole Accommodation Diameter0.375 INCHES NOMINAL IN
MaterialCOPPER ALLOY BUSHING
Current Rating in Amps10.0
Accommodated Finger TypeBANANA SPRING SINGLE FINGER
Thread Quantity Per Inch24
Surface TreatmentSILVER SPRING
MaterialCOPPER ALLOY SPRING
Thread Series DesignatorUNF
MaterialCOPPER ALLOY BODY
Body StyleTHREADED BUSHING MOUNTED
Identification Code ColorBLACK
Electrical Insulation FeatureINSULATED COMPLETELY
Thread Class2A A
Precious Material and LocationCONTACT SPRING AND TERMINAL SURFACE SILVER
Terminal TypeTAB, SOLDER LUG
MaterialPLASTIC POLYAMIDE NYLON INSULATOR
Precious MaterialSILVER
Thread DirectionRIGHT-HAND
Finger Accommodation Diameter0.193 INCHES NOMINAL SINGLE FINGER IN
MaterialPLASTIC POLYAMIDE NYLON CAP
Nominal Thread Size0.375 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-01-157-4514112-A-21 INTERCHANGEABLE
Switch,toggle
Itw Food Equipment Group Llc Dba Gaylord Industries
6625-01-200-4579112A21 INTERCHANGEABLE
Pressure Transducer
Pcb Piezotronics, Inc.
Cross-Reference Index
Part NumberManufacturer
112A21 Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division (USA)
K-1057-B PRIMARY Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division (USA)
328C093H06 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
335C866H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
9166309 Us Army Aviation and Missile Command (USA)
Related Parts
5930-01-157-4514INTERCHANGEABLE
SWITCH,TOGGLE
112-A-21
6625-01-200-4579INTERCHANGEABLE
PRESSURE TRANSDUCER
112A21

Frequently Asked Questions

What is NSN 5935-00-681-4424?

NSN 5935-00-681-4424 is a Jack,tip, manufactured by Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-681-4424?

NSN 5935-00-681-4424 has 5 cross-referenced part numbers: 112A21 (Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division), K-1057-B (Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division), 328C093H06 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 335C866H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 9166309 (Us Army Aviation and Missile Command).

What NSN replaces 5935-00-681-4424?

There are 2 known substitutes for 5935-00-681-4424: 5930-01-157-4514, 6625-01-200-4579. Verify interchangeability with system specifications before substitution.

What are the specifications of K-1057-B?

Key specifications for K-1057-B: Body Length: 0.843 INCHES NOMINAL IN; Bushing Accommodation Hole Shape: ROUND; Overall Diameter: 0.625 INCHES NOMINAL IN; Material: COPPER TERMINAL. 26 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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