PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1242-4Contact,electrical

U S Components Inc · NSN 5999-00-782-4820 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-782-4820 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-782-4820. Primary manufacturer part number: 1242-4.
Features
  • Contact,electrical — FSC 5999
  • Overall Diameter: 0.112 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
  • Cable Entrance Diameter: 0.060 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY AND 0.005 SILVER GRAINS, TROY
  • Precious Material: GOLD AND SILVER
  • Identification Code Color: YELLOW LOCATION NOT OTHERWISE SPECIFIED
  • Style Designator: SOCKET CRIMP CONTACT
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-782-4820, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is U S Components Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-782-4820
Primary Part Number1242-4
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerU S Components Inc
StatusACTIVE
Overall Diameter0.112 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
Cable Entrance Diameter0.060 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Precious Material and Weight0.005 GOLD GRAINS, TROY AND 0.005 SILVER GRAINS, TROY
Precious MaterialGOLD AND SILVER
Identification Code ColorYELLOW LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorSOCKET CRIMP CONTACT
Test Data Document09344-PC78521-2 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Current Rating in Amps3.0
Precious Material and LocationBODY AND CONTACT SURFACES GOLD AND BODY AND CONTACT SURFACES SILVER
MaterialCOPPER ALLOY BODY
Surface TreatmentGOLD AND SILVER BODY
MaterialCOPPER ALLOY CONTACT
Surface TreatmentGOLD AND SILVER CONTACT
Mating Contact Width0.040 INCHES NOMINAL IN
Overall Diameter0.112 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
Cable Entrance Diameter0.060 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Precious Material and Weight0.005 GOLD GRAINS, TROY AND 0.005 SILVER GRAINS, TROY
Precious MaterialGOLD AND SILVER
Identification Code ColorYELLOW LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorSOCKET CRIMP CONTACT
Test Data Document09344-PC78521-2 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Current Rating in Amps3.0
Precious Material and LocationBODY AND CONTACT SURFACES GOLD AND BODY AND CONTACT SURFACES SILVER
MaterialCOPPER ALLOY BODY
Surface TreatmentGOLD AND SILVER BODY
MaterialCOPPER ALLOY CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-01-209-7451 (1242/4)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 12
Printed Circuit Board
6145-01-209-74511242/4 SUCCESSOR
Braid,wire
Belden, Inc.
5950-00-213-8653905504-1 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5330-00-231-670312424 INTERCHANGEABLE
Ring,wiper
Kalmar Solutions Ab
5120-00-279-0480SW424 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5330-00-291-9620408091 INTERCHANGEABLE
Seal,plain Encased
Garwood/feller Inc Garwood Winch Div
5970-00-375-0298124-24 INTERCHANGEABLE
Bushing
Dresser Industries Inc Leroi Div
5950-00-434-909212424 INTERCHANGEABLE
Transformer,power
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
6105-00-635-074912424 INTERCHANGEABLE
Motor,direct Current
Bethlehem Corporation
1650-00-774-828112424 INTERCHANGEABLE
Disk,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
1242-4 U S Components Inc (USA)
1242-4 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
PC78521-2 Rockwell Collins, Inc. Dba Rc Displays Systems (USA)
Related Parts
SUCCESSOR 6145-01-209-7451 Braid,wire · 1242/4
5998-01-177-0472SUCCESSOR
PRINTED CIRCUIT BOARD
5950-00-213-8653INTERCHANGEABLE
REACTOR
905504-1
5330-00-231-6703INTERCHANGEABLE
RING,WIPER
12424
5120-00-279-0480INTERCHANGEABLE
SOCKET,SOCKET WRENCH
SW424
5330-00-291-9620INTERCHANGEABLE
SEAL,PLAIN ENCASED
408091
5970-00-375-0298INTERCHANGEABLE
BUSHING
124-24
5950-00-434-9092INTERCHANGEABLE
TRANSFORMER,POWER
12424
6105-00-635-0749INTERCHANGEABLE
MOTOR,DIRECT CURRENT
12424
1650-00-774-8281INTERCHANGEABLE
DISK,VALVE
12424
7310-01-107-1141INTERCHANGEABLE
PAN,STEAM TABLE
12424
3120-01-199-0293INTERCHANGEABLE
BEARING,SLEEVE
12424

Frequently Asked Questions

What is NSN 5999-00-782-4820?

NSN 5999-00-782-4820 is a Contact,electrical, manufactured by U S Components Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-782-4820?

NSN 5999-00-782-4820 has 3 cross-referenced part numbers: 1242-4 (U S Components Inc), 1242-4 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), PC78521-2 (Rockwell Collins, Inc. Dba Rc Displays Systems).

What NSN replaces 5999-00-782-4820?

There are 12 known substitutes for 5999-00-782-4820: 5998-01-177-0472, 6145-01-209-7451, 5950-00-213-8653 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1242-4?

Key specifications for 1242-4: Overall Diameter: 0.112 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN; Cable Entrance Diameter: 0.060 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN; Mounting Method: TERMINAL; Precious Material and Weight: 0.005 GOLD GRAINS, TROY AND 0.005 SILVER GRAINS, TROY. 30 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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