PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

403276Contact,electrical

Aimtron Systems, Llc · NSN 5999-01-037-4719 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-037-4719 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-037-4719. Primary manufacturer part number: 403276.
Features
  • Contact,electrical — FSC 5999
  • Mounting Method: UNTHREADED HOLE(S)
  • Unthreaded Mounting Hole Diameter: 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
  • Precious Material and Location: BODY AND CONTACT SURFACES GOLD
  • Surface Treatment: TIN AND GOLD AND NICKEL BODY AND CONTACT
  • Terminal Type and Quantity: 1 PIN END OPPOSITE CONTACT
  • Precious Material: GOLD
  • Mounting Facility Quantity: 1
Applications
  • Applications requiring Copper Alloy 210 and Copper Alloy 172 Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-037-4719, 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 Aimtron Systems, Llc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-037-4719
Primary Part Number403276
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerAimtron Systems, Llc
StatusACTIVE
Mounting MethodUNTHREADED HOLE(S)
Unthreaded Mounting Hole Diameter0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Surface TreatmentTIN AND GOLD AND NICKEL BODY AND CONTACT
Terminal Type and Quantity1 PIN END OPPOSITE CONTACT
Precious MaterialGOLD
Mounting Facility Quantity1
Surface Treatment Document and ClassificationSHIPLEY LT-26 MFR REF 1ST TREATMENT RESPONSE AND MIL-G-45204,TYPE C MIL SPEC 2ND TREATMENT RESPONSE AND QQ-N-290 FED SPEC 3RD TREATMENT RESPONSE BODY AND CONTACT
Material Document and ClassificationMIL-C-21768 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-C-533 FED SPEC 2ND MATERIAL RESPONSE BODY AND CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
MaterialCOPPER ALLOY 210 AND COPPER ALLOY 172 BODY AND CONTACT
Style DesignatorIRREGULAR SHAPE
Mounting MethodUNTHREADED HOLE(S)
Unthreaded Mounting Hole Diameter0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Surface TreatmentTIN AND GOLD AND NICKEL BODY AND CONTACT
Terminal Type and Quantity1 PIN END OPPOSITE CONTACT
Precious MaterialGOLD
Mounting Facility Quantity1
Surface Treatment Document and ClassificationSHIPLEY LT-26 MFR REF 1ST TREATMENT RESPONSE AND MIL-G-45204,TYPE C MIL SPEC 2ND TREATMENT RESPONSE AND QQ-N-290 FED SPEC 3RD TREATMENT RESPONSE BODY AND CONTACT
Material Document and ClassificationMIL-C-21768 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-C-533 FED SPEC 2ND MATERIAL RESPONSE BODY AND CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
MaterialCOPPER ALLOY 210 AND COPPER ALLOY 172 BODY AND CONTACT
Style DesignatorIRREGULAR SHAPE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-01-071-6708 (405332)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.0400 lbs
Cube0.0003 cu ft
Verified Substitutes 2
5999-01-071-6708405332 SUCCESSOR
Contact,electrical
Telemechanics Inc
4720-01-437-2407403276 INTERCHANGEABLE
Hose,nonmetallic
Austin-Westran Llc
Cross-Reference Index
Part NumberManufacturer
75315-001 Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc (USA)
403276 PRIMARY Aimtron Systems, Llc (USA)
75315-008 Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc (USA)
403276 Cardion Inc (USA)
Related Parts
SUCCESSOR 5999-01-071-6708 Contact,electrical · 405332
4720-01-437-2407INTERCHANGEABLE
HOSE,NONMETALLIC
403276

Frequently Asked Questions

What is NSN 5999-01-037-4719?

NSN 5999-01-037-4719 is a Contact,electrical, manufactured by Aimtron Systems, Llc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-037-4719?

NSN 5999-01-037-4719 has 4 cross-referenced part numbers: 75315-001 (Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc), 403276 (Aimtron Systems, Llc), 75315-008 (Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc), 403276 (Cardion Inc).

What NSN replaces 5999-01-037-4719?

There are 2 known substitutes for 5999-01-037-4719: 5999-01-071-6708, 4720-01-437-2407. Verify interchangeability with system specifications before substitution.

What are the specifications of 403276?

Key specifications for 403276: Mounting Method: UNTHREADED HOLE(S); Unthreaded Mounting Hole Diameter: 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN; Overall Height: 0.062 INCHES NOMINAL IN; Precious Material and Location: BODY AND CONTACT SURFACES GOLD. 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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