PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50406-4Contact,electrical

Arma Div Ambac Industries Inc · NSN 5999-00-036-3648 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-036-3648 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-036-3648. Primary manufacturer part number: 50406-4.
Features
  • Contact,electrical — FSC 5999
  • Precious Material: SILVER
  • Style Designator: FLAT LEAF CONTACT W/O POINT
  • Material: COPPER ALLOY BODY AND CONTACT
  • Surface Treatment: SILVER CONTACT
  • Terminal Type and Quantity: 2 EYELET END OPPOSITE CONTACT
  • Precious Material and Weight: 1.000 SILVER GRAINS, TROY
  • Mounting Method: UNTHREADED HOLE(S)
Applications
  • Applications requiring Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-036-3648, 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 Arma Div Ambac Industries Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-036-3648
Primary Part Number50406-4
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerArma Div Ambac Industries Inc
StatusACTIVE
Precious MaterialSILVER
Style DesignatorFLAT LEAF CONTACT W/O POINT
MaterialCOPPER ALLOY BODY AND CONTACT
Surface TreatmentSILVER CONTACT
Terminal Type and Quantity2 EYELET END OPPOSITE CONTACT
Precious Material and Weight1.000 SILVER GRAINS, TROY
Mounting MethodUNTHREADED HOLE(S)
Mounting Facility Quantity2
Material Document and ClassificationQQ-C-502 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Precious Material and LocationCONTACT SILVER
Distance Between Mounting Facility Centers0.420 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL IN
Criticality Code JustificationFEAT
Precious MaterialSILVER
Style DesignatorFLAT LEAF CONTACT W/O POINT
MaterialCOPPER ALLOY BODY AND CONTACT
Surface TreatmentSILVER CONTACT
Terminal Type and Quantity2 EYELET END OPPOSITE CONTACT
Precious Material and Weight1.000 SILVER GRAINS, TROY
Mounting MethodUNTHREADED HOLE(S)
Mounting Facility Quantity2
Material Document and ClassificationQQ-C-502 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Precious Material and LocationCONTACT SILVER
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5998-01-031-1952 (1010)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0010 lbs
Cube0.0000 cu ft
Verified Substitutes 6
5998-01-031-19521010 SUCCESSOR
Circuit Card Assembly
Leidos, Inc. Div Cyber and Information Solutions Services
Lead,test
6625-00-851-61196054043 INTERCHANGEABLE
Phasemeter
Lockheed Martin Corporation Div Rotary and Mission Systems
6625-01-069-9846 INTERCHANGEABLE
Analyzer,spectrum
6685-01-222-7115504064 INTERCHANGEABLE
Parts Kit
Simmonds Precision Products Inc
7035-01-474-0200 INTERCHANGEABLE
Receiver-Transmitter,digital DAT
Cross-Reference Index
Part NumberManufacturer
50406-4 Arma Div Ambac Industries Inc
50406-4 Gyro Systems Co Inc (USA)
DM-2310 Cobra Industries Inc (USA)
DM-2310 Triangle Tool Co (USA)
1010 Brown Precision Machine (USA)
50406-4 Burke Products Inc (USA)
Related Parts
SUCCESSOR 5998-01-031-1952 Circuit Card Assembly · 1010
6625-01-043-8145SUCCESSOR
LEAD,TEST
6625-00-851-6119INTERCHANGEABLE
PHASEMETER
6054043
6625-01-069-9846INTERCHANGEABLE
ANALYZER,SPECTRUM
6685-01-222-7115INTERCHANGEABLE
PARTS KIT
504064
7035-01-474-0200INTERCHANGEABLE
RECEIVER-TRANSMITTER,DIGITAL DAT

Frequently Asked Questions

What is NSN 5999-00-036-3648?

NSN 5999-00-036-3648 is a Contact,electrical, manufactured by Arma Div Ambac Industries Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-036-3648?

NSN 5999-00-036-3648 has 6 cross-referenced part numbers: 50406-4 (Arma Div Ambac Industries Inc), 50406-4 (Gyro Systems Co Inc), DM-2310 (Cobra Industries Inc), DM-2310 (Triangle Tool Co), 1010 (Brown Precision Machine) and 1 more.

What NSN replaces 5999-00-036-3648?

There are 6 known substitutes for 5999-00-036-3648: 5998-01-031-1952, 6625-01-043-8145, 6625-00-851-6119 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50406-4?

Key specifications for 50406-4: Precious Material: SILVER; Style Designator: FLAT LEAF CONTACT W/O POINT; Material: COPPER ALLOY BODY AND CONTACT; Surface Treatment: SILVER CONTACT. 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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