PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D6321-2Contact,electrical

Siemens Energy and Automation Inc Siemens Furnas Controls Div · NSN 5999-00-549-1316 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-549-1316 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-549-1316. Primary manufacturer part number: D6321-2.
Features
  • Contact,electrical — FSC 5999
  • Material: COPPER BODY AND CONTACT
  • Precious Material and Location: BODY AND CONTACT SURFACES SILVER
  • Terminal Type and Quantity: 1 EYELET AXIALLY AT ONE END
  • Surface Treatment: SILVER BODY AND CONTACT
  • Style Designator: LEAF TAP CONTACT W/O POINT
  • Precious Material and Weight: 0.005 SILVER GRAINS, TROY
  • Mounting Facility Quantity: 1
Applications
  • Applications requiring Copper Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-549-1316, 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 Siemens Energy and Automation Inc Siemens Furnas Controls Div. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-549-1316
Primary Part NumberD6321-2
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSiemens Energy and Automation Inc Siemens Furnas Controls Div
StatusACTIVE
MaterialCOPPER BODY AND CONTACT
Precious Material and LocationBODY AND CONTACT SURFACES SILVER
Terminal Type and Quantity1 EYELET AXIALLY AT ONE END
Surface TreatmentSILVER BODY AND CONTACT
Style DesignatorLEAF TAP CONTACT W/O POINT
Precious Material and Weight0.005 SILVER GRAINS, TROY
Mounting Facility Quantity1
Mounting MethodUNTHREADED HOLE(S)
Voltage Rating in Volts440.0 AC
Unthreaded Mounting Hole Diameter0.376 INCHES NOMINAL IN
Current Rating in Amps9.5
Precious MaterialSILVER
Thread DirectionRIGHT-HAND
MaterialCOPPER BODY AND CONTACT
Precious Material and LocationBODY AND CONTACT SURFACES SILVER
Terminal Type and Quantity1 EYELET AXIALLY AT ONE END
Surface TreatmentSILVER BODY AND CONTACT
Style DesignatorLEAF TAP CONTACT W/O POINT
Precious Material and Weight0.005 SILVER GRAINS, TROY
Mounting Facility Quantity1
Mounting MethodUNTHREADED HOLE(S)
Voltage Rating in Volts440.0 AC
Unthreaded Mounting Hole Diameter0.376 INCHES NOMINAL IN
Current Rating in Amps9.5
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 5
5999-00-402-554331A17 SUCCESSOR
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
5360-00-119-1851D1243 INTERCHANGEABLE
Spring,helical,compression
Devlieg Bullard II Inc.
2530-00-174-908316A2917 INTERCHANGEABLE
Governor Assembly,air Brake
Napco International Llc Dba Napco International Inc
2805-00-312-835561136E INTERCHANGEABLE
Valve,poppet,engine
Dresser, Llc
4820-01-411-761240038-1 INTERCHANGEABLE
Flange,gland,valve
Morpac Industries, Inc Div Actuator
Cross-Reference Index
Part NumberManufacturer
10002PC12 Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
D124-3 Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
10002ITEM3 Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
D6321-2 PRIMARY Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
Related Parts
5999-00-402-5543SUCCESSOR
DELAY LINE
31A17
5360-00-119-1851INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
D1243
2530-00-174-9083INTERCHANGEABLE
GOVERNOR ASSEMBLY,AIR BRAKE
16A2917
2805-00-312-8355INTERCHANGEABLE
VALVE,POPPET,ENGINE
61136E
4820-01-411-7612INTERCHANGEABLE
FLANGE,GLAND,VALVE
40038-1

Frequently Asked Questions

What is NSN 5999-00-549-1316?

NSN 5999-00-549-1316 is a Contact,electrical, manufactured by Siemens Energy and Automation Inc Siemens Furnas Controls Div, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-549-1316?

NSN 5999-00-549-1316 has 4 cross-referenced part numbers: 10002PC12 (Siemens Energy and Automation Inc Siemens Furnas Controls Div), D124-3 (Siemens Energy and Automation Inc Siemens Furnas Controls Div), 10002ITEM3 (Siemens Energy and Automation Inc Siemens Furnas Controls Div), D6321-2 (Siemens Energy and Automation Inc Siemens Furnas Controls Div).

What NSN replaces 5999-00-549-1316?

There are 5 known substitutes for 5999-00-549-1316: 5999-00-402-5543, 5360-00-119-1851, 2530-00-174-9083 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D6321-2?

Key specifications for D6321-2: Material: COPPER BODY AND CONTACT; Overall Width: 0.563 INCHES NOMINAL IN; Precious Material and Location: BODY AND CONTACT SURFACES SILVER; Terminal Type and Quantity: 1 EYELET AXIALLY AT ONE END. 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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