PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

745253-6Contact,electrical

Te Connectivity Corporation · NSN 5999-01-229-6948 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-229-6948 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-229-6948. Primary manufacturer part number: 745253-6.
Features
  • Contact,electrical — FSC 5999
  • Overall Diameter: 0.050 INCHES NOMINAL IN
  • Material Document and Classification: QQ-B-750 MIL SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
  • Surface Treatment Document and Classification: MIL-C-45204 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT
  • Surface Treatment: GOLD AND NICKEL BODY AND CONTACT
  • Mounting Method: TERMINAL
  • Material: COPPER ALLOY 510 BODY AND CONTACT
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY
Applications
  • Applications requiring Copper Alloy 510 Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-229-6948, 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 Te Connectivity Corporation. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-229-6948
Primary Part Number745253-6
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Overall Diameter0.050 INCHES NOMINAL IN
Material Document and ClassificationQQ-B-750 MIL SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Surface Treatment Document and ClassificationMIL-C-45204 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT
Surface TreatmentGOLD AND NICKEL BODY AND CONTACT
Mounting MethodTERMINAL
MaterialCOPPER ALLOY 510 BODY AND CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Precious MaterialGOLD
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Style DesignatorPRINTED CIRCUIT CONTACT
Overall Diameter0.050 INCHES NOMINAL IN
Material Document and ClassificationQQ-B-750 MIL SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Surface Treatment Document and ClassificationMIL-C-45204 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT
Surface TreatmentGOLD AND NICKEL BODY AND CONTACT
Mounting MethodTERMINAL
MaterialCOPPER ALLOY 510 BODY AND CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Precious MaterialGOLD
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Style DesignatorPRINTED CIRCUIT CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZZ
Weight0.0100 lbs
Cube0.0007 cu ft
Verified Substitutes 10
4810-00-172-920925413 INTERCHANGEABLE
Piston,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5133-00-227-5954 INTERCHANGEABLE
Drill,twist
5360-00-571-2612102-54-13 INTERCHANGEABLE
Spring,helical,extension
Ward Leonard Ct Llc
4820-00-889-2426A25413ANDH45856SH22 1-2X3 1-2IN INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
6130-01-066-899125413 INTERCHANGEABLE
Power Supply Subassembly
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5365-01-297-0657 INTERCHANGEABLE
Spacer,sleeve
2990-01-347-866325413-144 INTERCHANGEABLE
Control Assembly,push-Pull
Blue Tee Corp. Dba Gefco
5340-01-538-4187 INTERCHANGEABLE
Standoff,threaded,spacing
5120-01-613-795725413 INTERCHANGEABLE
Installation Tool,pivot Pin
Charles Reed Knight Jr Dba Knight's Armament Company
5305-01-615-279225413 INTERCHANGEABLE
Setscrew
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
25413 Csts, Inc Dba Computer Sys Techl Support (USA)
745253-6 PRIMARY Te Connectivity Corporation (USA)
Related Parts
4810-00-172-9209INTERCHANGEABLE
PISTON,VALVE
25413
5133-00-227-5954INTERCHANGEABLE
DRILL,TWIST
5360-00-571-2612INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
102-54-13
4820-00-889-2426INTERCHANGEABLE
VALVE,SAFETY RELIEF
A25413ANDH45856SH22 1-2X3 1-2IN
6130-01-066-8991INTERCHANGEABLE
POWER SUPPLY SUBASSEMBLY
25413
5365-01-297-0657INTERCHANGEABLE
SPACER,SLEEVE
2990-01-347-8663INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
25413-144
5340-01-538-4187INTERCHANGEABLE
STANDOFF,THREADED,SPACING
5120-01-613-7957INTERCHANGEABLE
INSTALLATION TOOL,PIVOT PIN
25413
5305-01-615-2792INTERCHANGEABLE
SETSCREW
25413

Frequently Asked Questions

What is NSN 5999-01-229-6948?

NSN 5999-01-229-6948 is a Contact,electrical, manufactured by Te Connectivity Corporation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-229-6948?

NSN 5999-01-229-6948 has 2 cross-referenced part numbers: 25413 (Csts, Inc Dba Computer Sys Techl Support), 745253-6 (Te Connectivity Corporation).

What NSN replaces 5999-01-229-6948?

There are 10 known substitutes for 5999-01-229-6948: 4810-00-172-9209, 5133-00-227-5954, 5360-00-571-2612 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 745253-6?

Key specifications for 745253-6: Overall Diameter: 0.050 INCHES NOMINAL IN; Overall Length: 0.150 INCHES NOMINAL IN; Material Document and Classification: QQ-B-750 MIL SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT; Surface Treatment Document and Classification: MIL-C-45204 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT. 22 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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