PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-207040Contact,electrical

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5999-00-990-4754 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-990-4754 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-990-4754. Primary manufacturer part number: SM-B-207040.
Features
  • Contact,electrical — FSC 5999
  • Precious Material: GOLD
  • Mounting Method: TERMINAL
  • Surface Treatment: GOLD AND COPPER BODY AND CONTACT
  • Terminal Type and Quantity: 1 PIN AXIALLY AT ONE END
  • Precious Material and Location: BODY AND CONTACT SURFACES GOLD
  • Cable Entrance Diameter: 0.045 INCHES NOMINAL IN
  • Overall Diameter: 0.078 INCHES MAXIMUM IN
Applications
  • Applications requiring Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-990-4754, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-990-4754
Primary Part NumberSM-B-207040
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Precious MaterialGOLD
Mounting MethodTERMINAL
Surface TreatmentGOLD AND COPPER BODY AND CONTACT
Terminal Type and Quantity1 PIN AXIALLY AT ONE END
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Cable Entrance Diameter0.045 INCHES NOMINAL IN
Overall Diameter0.078 INCHES MAXIMUM IN
Point Diameter0.039 INCHES NOMINAL IN
Style DesignatorPIN CONTACT
MaterialCOPPER ALLOY BODY AND CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Precious MaterialGOLD
Mounting MethodTERMINAL
Surface TreatmentGOLD AND COPPER BODY AND CONTACT
Terminal Type and Quantity1 PIN AXIALLY AT ONE END
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Cable Entrance Diameter0.045 INCHES NOMINAL IN
Overall Diameter0.078 INCHES MAXIMUM IN
Point Diameter0.039 INCHES NOMINAL IN
Style DesignatorPIN CONTACT
MaterialCOPPER ALLOY BODY AND CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5998-01-131-4656 (21078)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0400 lbs
Cube0.0010 cu ft
Verified Substitutes 10
5998-01-131-465621078 SUCCESSOR
Circuit Card Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
6625-01-414-378021078 SUCCESSOR
Probe-Lead Assembly,test
Viavi Solutionsllc
3110-00-100-0632152C71 INTERCHANGEABLE
Cup,tapered Roller Bearing
Harbormaster Marine, Inc
5905-00-919-86132100-0059 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Keysight Technologies Inc
5905-01-307-2852 INTERCHANGEABLE
Resistor,fixed,wire Wound
4820-01-436-014821081-1001-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-436-015621081-850-1 INTERCHANGEABLE
Sleeve and Slide,directional Con
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-436-289421081-1005-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5340-01-442-6176210-78 INTERCHANGEABLE
Handle,manual Control
Columbus Jack Corporation Div Columbus Jack
4820-01-469-154321078-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
17-766-100 Amphenol Corp Spectra-Strip/itd (USA)
SM-B-207040 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
21078 Kleinschmidt Inc (USA)
17-766-100 Wire-Pro, Inc Dba Wpi-Salem Division (USA)
Related Parts
SUCCESSOR 5998-01-131-4656 Circuit Card Assembly · 21078
6625-01-414-3780SUCCESSOR
PROBE-LEAD ASSEMBLY,TEST
21078
3110-00-100-0632INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
152C71
5905-00-919-8613INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2100-0059
5905-01-307-2852INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
4820-01-436-0148INTERCHANGEABLE
PISTON,VALVE
21081-1001-1
4820-01-436-0156INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21081-850-1
4810-01-436-2894INTERCHANGEABLE
PISTON,VALVE
21081-1005-1
5340-01-442-6176INTERCHANGEABLE
HANDLE,MANUAL CONTROL
210-78
4820-01-469-1543INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21078-001

Frequently Asked Questions

What is NSN 5999-00-990-4754?

NSN 5999-00-990-4754 is a Contact,electrical, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-990-4754?

NSN 5999-00-990-4754 has 4 cross-referenced part numbers: 17-766-100 (Amphenol Corp Spectra-Strip/itd), SM-B-207040 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 21078 (Kleinschmidt Inc), 17-766-100 (Wire-Pro, Inc Dba Wpi-Salem Division).

What NSN replaces 5999-00-990-4754?

There are 10 known substitutes for 5999-00-990-4754: 5998-01-131-4656, 6625-01-414-3780, 3110-00-100-0632 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-207040?

Key specifications for SM-B-207040: Precious Material: GOLD; Mounting Method: TERMINAL; Surface Treatment: GOLD AND COPPER BODY AND CONTACT; Terminal Type and Quantity: 1 PIN AXIALLY AT ONE END. 24 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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