PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

359040Contact,electrical

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · NSN 5999-00-953-5649 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-953-5649 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-953-5649. Primary manufacturer part number: 359040.
Features
  • Contact,electrical — FSC 5999
  • Pin Length: 0.720 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
  • Mounting Method: THREADED STUD(S)
  • Mounting Facility Quantity: 1
  • Surface Treatment Document and Classification: EMS 252 ASSN STD SINGLE TREATMENT RESPONSE CONTACT
  • Style Designator: PIN CONTACT
  • Nominal Thread Size: 4.000 INCHES IN
  • Precious Material and Location: SPHERICAL END OF CONTACT RHODIUM
Applications
  • Applications requiring Steel Corrosion Resisting Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-953-5649, 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 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5999-00-953-5649
Primary Part Number359040
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
StatusACTIVE
Pin Length0.720 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
Mounting MethodTHREADED STUD(S)
Mounting Facility Quantity1
Surface Treatment Document and ClassificationEMS 252 ASSN STD SINGLE TREATMENT RESPONSE CONTACT
Style DesignatorPIN CONTACT
Nominal Thread Size4.000 INCHES IN
Precious Material and LocationSPHERICAL END OF CONTACT RHODIUM
Precious MaterialRHODIUM
Overall Diameter0.375 INCHES NOMINAL IN
Thread Class3A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and ClassificationMIL-S-7720,303 COND B OR A MIL SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Thread DirectionRIGHT-HAND
Surface TreatmentRHODIUM CONTACT
Pin Diameter0.112 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING BODY AND CONTACT
Pin Length0.720 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
Mounting MethodTHREADED STUD(S)
Mounting Facility Quantity1
Surface Treatment Document and ClassificationEMS 252 ASSN STD SINGLE TREATMENT RESPONSE CONTACT
Style DesignatorPIN CONTACT
Nominal Thread Size4.000 INCHES IN
Precious Material and LocationSPHERICAL END OF CONTACT RHODIUM
Precious MaterialRHODIUM
Overall Diameter0.375 INCHES NOMINAL IN
Thread Class3A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and ClassificationMIL-S-7720,303 COND B OR A MIL SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5998-00-490-6726 (359040)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 2
5998-00-490-6726359040 SUCCESSOR
Extender Card,electronic Test
L3harris Cincinnati Electronics Corporation
5930-01-053-5340 INTERCHANGEABLE
Switch,rotary
Cross-Reference Index
Part NumberManufacturer
359040 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
359040 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
359040 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
359040 Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
SUCCESSOR 5998-00-490-6726 Extender Card,electronic Test · 359040
5930-01-053-5340INTERCHANGEABLE
SWITCH,ROTARY

Frequently Asked Questions

What is NSN 5999-00-953-5649?

NSN 5999-00-953-5649 is a Contact,electrical, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-953-5649?

NSN 5999-00-953-5649 has 4 cross-referenced part numbers: 359040 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 359040 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 359040 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 359040 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 5999-00-953-5649?

There are 2 known substitutes for 5999-00-953-5649: 5998-00-490-6726, 5930-01-053-5340. Verify interchangeability with system specifications before substitution.

What are the specifications of 359040?

Key specifications for 359040: Pin Length: 0.720 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN; Mounting Method: THREADED STUD(S); Mounting Facility Quantity: 1; Surface Treatment Document and Classification: EMS 252 ASSN STD SINGLE TREATMENT RESPONSE 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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