PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SP2Contact,electrical

Telephone Systems/communications · NSN 5999-00-449-6694 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-449-6694 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-449-6694. Primary manufacturer part number: SP2.
Features
  • Contact,electrical — FSC 5999
  • Terminal Type and Quantity: 1 THREADED HOLE AXIALLY AT ONE END
  • Material: COPPER ALLOY BODY AND CONTACT
  • Style Designator: CYLINDRICAL SHAPE
  • Mounting Method: FORCE FIT
  • Overall Diameter: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM BODY AND CONTACT
  • Terminal Type and Quantity: 1 THREADED HOLE AXIALLY AT ONE END
Applications
  • Applications requiring Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-449-6694, 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 Telephone Systems/communications. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-00-449-6694
Primary Part NumberSP2
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTelephone Systems/communications
StatusACTIVE
Terminal Type and Quantity1 THREADED HOLE AXIALLY AT ONE END
MaterialCOPPER ALLOY BODY AND CONTACT
Style DesignatorCYLINDRICAL SHAPE
Mounting MethodFORCE FIT
Overall Diameter0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Surface TreatmentCADMIUM BODY AND CONTACT
Terminal Type and Quantity1 THREADED HOLE AXIALLY AT ONE END
MaterialCOPPER ALLOY BODY AND CONTACT
Style DesignatorCYLINDRICAL SHAPE
Mounting MethodFORCE FIT
Overall Diameter0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Surface TreatmentCADMIUM BODY AND CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-00-476-7707 (077-200-0020-239)
HAZMATNo
Verified Substitutes 12
5999-00-476-7707077-200-0020-239 SUCCESSOR
Contact,electrical
Itt Cannon Rf Products
7035-00-064-7008 INTERCHANGEABLE
Comparator Tape Totalizer
5305-00-276-2314SP2 INTERCHANGEABLE
Screw,machine
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5996-00-321-5418A17-1 INTERCHANGEABLE
Amplifier,electronic Control
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
5360-00-827-252910554065 INTERCHANGEABLE
Spring,helical,compression
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6605-00-909-0927A171 INTERCHANGEABLE
Control,decoupler
Lockheed Martin Corp
4310-00-911-6608Z122A INTERCHANGEABLE
Valve Assembly,exhaust
Gardner Denver Inc.
2640-00-994-577426-120 INTERCHANGEABLE
Valve Spud,pneumatic Tire
Myers Tire Supply Distribution Inc Div Akron Branch
5365-01-020-0070SPNY-002NA INTERCHANGEABLE
Spacer,sleeve
Brady United States
5330-01-178-1461A17-1 INTERCHANGEABLE
Packing
Ortman Fluid Power Quincy Compressor Div Sub of Coltec Industries Inc
Cross-Reference Index
Part NumberManufacturer
SP2 Telephone Systems/communications (USA)
AR-SP2 Argent Industries, Inc. (USA)
A-171 Burke Products Inc (USA)
Related Parts
SUCCESSOR 5999-00-476-7707 Contact,electrical · 077-200-0020-239
7035-00-064-7008INTERCHANGEABLE
COMPARATOR TAPE TOTALIZER
5305-00-276-2314INTERCHANGEABLE
SCREW,MACHINE
SP2
5996-00-321-5418INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
A17-1
5360-00-827-2529INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
10554065
6605-00-909-0927INTERCHANGEABLE
CONTROL,DECOUPLER
A171
4310-00-911-6608INTERCHANGEABLE
VALVE ASSEMBLY,EXHAUST
Z122A
2640-00-994-5774INTERCHANGEABLE
VALVE SPUD,PNEUMATIC TIRE
26-120
5365-01-020-0070INTERCHANGEABLE
SPACER,SLEEVE
SPNY-002NA
5330-01-178-1461INTERCHANGEABLE
PACKING
A17-1
3431-01-293-3339INTERCHANGEABLE
CONTROL,ARC WELDING MACHINE
SP-2
6632-01-378-4920INTERCHANGEABLE
ANALYZER,BLOOD GAS

Frequently Asked Questions

What is NSN 5999-00-449-6694?

NSN 5999-00-449-6694 is a Contact,electrical, manufactured by Telephone Systems/communications, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-449-6694?

NSN 5999-00-449-6694 has 3 cross-referenced part numbers: SP2 (Telephone Systems/communications), AR-SP2 (Argent Industries, Inc.), A-171 (Burke Products Inc).

What NSN replaces 5999-00-449-6694?

There are 12 known substitutes for 5999-00-449-6694: 5999-00-476-7707, 7035-00-064-7008, 5305-00-276-2314 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SP2?

Key specifications for SP2: Terminal Type and Quantity: 1 THREADED HOLE AXIALLY AT ONE END; Overall Length: 1.312 INCHES NOMINAL IN; Material: COPPER ALLOY BODY AND CONTACT; Style Designator: CYLINDRICAL SHAPE. 14 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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