PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7900851-01Contact,electrical

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 5999-00-411-7638 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-411-7638 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-411-7638. Primary manufacturer part number: 7900851-01.
Features
  • Contact,electrical — FSC 5999
  • Material: COPPER ALLOY 230 OR COPPER ALLOY 240 BODY AND CONTACT
  • Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
  • Material: PLASTIC POLYAMIDE NYLON BARREL INSULATION
  • Style Designator: POST CONTACT
  • Precious Material and Location: BODY AND CONTACT SURFACES GOLD
  • Pin Length: 0.250 INCHES NOMINAL IN
  • Voltage Rating in Volts: 880.0 AC
Applications
  • Applications requiring Copper Alloy 230 or Copper Alloy 240 Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-411-7638, 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 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-411-7638
Primary Part Number7900851-01
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
MaterialCOPPER ALLOY 230 OR COPPER ALLOY 240 BODY AND CONTACT
Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
MaterialPLASTIC POLYAMIDE NYLON BARREL INSULATION
Style DesignatorPOST CONTACT
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Pin Length0.250 INCHES NOMINAL IN
Voltage Rating in Volts880.0 AC
Precious MaterialGOLD
Material Document and ClassificationL-P-410 FED SPEC SINGLE MATERIAL RESPONSE BARREL INSULATION
Mounting MethodFORCE FIT
Surface Treatment Document and ClassificationMIL-G-45204,TYPE 2 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OR MIL-C-26074,CLASS 1 MIL SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT
Surface TreatmentGOLD AND NICKEL OR NICKEL ALLOY BODY AND CONTACT
Terminal Type and Quantity1 WIRE WRAP AXIALLY AT ONE END
Precious Material and Weight0.005 GOLD GRAINS, TROY
Pin Width0.045 INCHES NOMINAL IN
Current Rating in Amps5.0
Identification Code ColorWHITE LOCATION NOT OTHERWISE SPECIFIED
MaterialCOPPER ALLOY 230 OR COPPER ALLOY 240 BODY AND CONTACT
Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
MaterialPLASTIC POLYAMIDE NYLON BARREL INSULATION
Style DesignatorPOST CONTACT
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Pin Length0.250 INCHES NOMINAL IN
Voltage Rating in Volts880.0 AC
Precious MaterialGOLD
Material Document and ClassificationL-P-410 FED SPEC SINGLE MATERIAL RESPONSE BARREL INSULATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.0350 lbs
Cube0.0017 cu ft
Verified Substitutes 1
5970-00-686-1937 INTERCHANGEABLE
Insulator,bushing
Cross-Reference Index
Part NumberManufacturer
11-15001-105 Malco Technologies Llc (USA)
3610049 Te Connectivity Corporation Dba Microdot Products (USA)
12-10000-000 Malco Technologies Llc (USA)
7900851-01 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
5999PL0904806 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5970-00-686-1937INTERCHANGEABLE
INSULATOR,BUSHING

Frequently Asked Questions

What is NSN 5999-00-411-7638?

NSN 5999-00-411-7638 is a Contact,electrical, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-411-7638?

NSN 5999-00-411-7638 has 5 cross-referenced part numbers: 11-15001-105 (Malco Technologies Llc), 3610049 (Te Connectivity Corporation Dba Microdot Products), 12-10000-000 (Malco Technologies Llc), 7900851-01 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 5999PL0904806 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 5999-00-411-7638?

There is 1 known substitute for 5999-00-411-7638: 5970-00-686-1937. Verify interchangeability with system specifications before substitution.

What are the specifications of 7900851-01?

Key specifications for 7900851-01: Material: COPPER ALLOY 230 OR COPPER ALLOY 240 BODY AND CONTACT; Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT; Material: PLASTIC POLYAMIDE NYLON BARREL INSULATION; Overall Height: 0.045 INCHES NOMINAL IN. 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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