PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMC502139Contact Assembly,electrical

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5999-00-726-8800 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-726-8800 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-726-8800. Primary manufacturer part number: SMC502139.
Features
  • Contact Assembly,electrical — FSC 5999
  • Terminal Quantity: 11
  • Structural Design: NONPILE-UP
  • Mounting Configuration: FOUR 0.260 IN. BY 0.152 IN. MTG HOLES ON 2.210 IN. BY 2.000 IN. MTG CENTERS IN
  • Terminal Type: SOLDER LUG
  • Contact Quantity: 11
  • Contact Identifying Number Assigned by Government Agency: PART NO. 10848-002
  • Contact Item Name Assigned by Government Agency: CONTACT ELECTRICAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact Assembly,electrical, cataloged under National Stock Number 5999-00-726-8800, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-726-8800
Primary Part NumberSMC502139
Item NameContact Assembly,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Terminal Quantity11
Structural DesignNONPILE-UP
Mounting ConfigurationFOUR 0.260 IN. BY 0.152 IN. MTG HOLES ON 2.210 IN. BY 2.000 IN. MTG CENTERS IN
Terminal TypeSOLDER LUG
Contact Quantity11
Contact Identifying Number Assigned by Government AgencyPART NO. 10848-002
Contact Item Name Assigned by Government AgencyCONTACT ELECTRICAL
Government Agency Controlling ContactOAK MFG. CO.
Terminal Quantity11
Structural DesignNONPILE-UP
Mounting ConfigurationFOUR 0.260 IN. BY 0.152 IN. MTG HOLES ON 2.210 IN. BY 2.000 IN. MTG CENTERS IN
Terminal TypeSOLDER LUG
Contact Quantity11
Contact Identifying Number Assigned by Government AgencyPART NO. 10848-002
Contact Item Name Assigned by Government AgencyCONTACT ELECTRICAL
Government Agency Controlling ContactOAK MFG. CO.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0900 lbs
Cube0.0052 cu ft
Verified Substitutes 2
8040-00-539-7798398456 INTERCHANGEABLE
Adhesive
Henkel Loctite Corp
2520-00-901-1010A6802 INTERCHANGEABLE
Ring,transmission
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
SM-C-502139 Valcore Manufacturing Llc (USA)
SM-C-502139 American Trans-Coil Corp (USA)
398456 L3harris Cincinnati Electronics Corporation (USA)
666093-444 Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
SMC502139 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
A6802 Autodyne Manufacturing Co Inc (USA)
SM-C-502139 Valcore Manufacturing Llc Dba Use CAGE Code 04ye2 for Cataloging (USA)
SMC502139 Raytheon Company (USA)
Related Parts
8040-00-539-7798INTERCHANGEABLE
ADHESIVE
398456
2520-00-901-1010INTERCHANGEABLE
RING,TRANSMISSION
A6802

Frequently Asked Questions

What is NSN 5999-00-726-8800?

NSN 5999-00-726-8800 is a Contact Assembly,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 5999-00-726-8800?

NSN 5999-00-726-8800 has 8 cross-referenced part numbers: SM-C-502139 (Valcore Manufacturing Llc), SM-C-502139 (American Trans-Coil Corp), 398456 (L3harris Cincinnati Electronics Corporation), 666093-444 (Stromberg-Carlson Corp a Plessey Telecommunications Co), SMC502139 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir) and 3 more.

What NSN replaces 5999-00-726-8800?

There are 2 known substitutes for 5999-00-726-8800: 8040-00-539-7798, 2520-00-901-1010. Verify interchangeability with system specifications before substitution.

What are the specifications of SMC502139?

Key specifications for SMC502139: Overall Length: 0.281 INCHES NOMINAL IN; Terminal Quantity: 11; Structural Design: NONPILE-UP; Overall Width: 0.250 INCHES NOMINAL IN. 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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