PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M21097/17-01Contact,electrical

Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division · NSN 5999-00-135-4116 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-135-4116 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-135-4116. Primary manufacturer part number: M21097/17-01.
Features
  • Contact,electrical — FSC 5999
  • Precious Material: GOLD
  • Test Data Document: 81349-MIL-C-21097 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY
  • Surface Treatment Document and Classification: MIL-G-45204,TYPE 2,GRADE C,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT
  • Style Designator: IRREGULAR SHAPE
  • Precious Material and Location: BODY AND CONTACT SURFACES GOLD
  • Terminal Type and Quantity: 1 CRIMP AND SOLDER END OPPOSITE CONTACT
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-135-4116, 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 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-135-4116
Primary Part NumberM21097/17-01
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerControl Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division
StatusCANCELLED
Precious MaterialGOLD
Test Data Document81349-MIL-C-21097 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Precious Material and Weight0.005 GOLD GRAINS, TROY
Surface Treatment Document and ClassificationMIL-G-45204,TYPE 2,GRADE C,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT
Style DesignatorIRREGULAR SHAPE
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Terminal Type and Quantity1 CRIMP AND SOLDER END OPPOSITE CONTACT
MaterialCOPPER ALLOY BODY
Specification/standard Data81349-MIL-C-21097/17 GOVERNMENT SPECIFICATION
Surface TreatmentGOLD AND NICKEL SILVER BODY AND CONTACT
MaterialCOPPER ALLOY CONTACT
Current Rating in Amps5.0
Pin Length0.295 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Pin Width0.139 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
Precious MaterialGOLD
Test Data Document81349-MIL-C-21097 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Precious Material and Weight0.005 GOLD GRAINS, TROY
Surface Treatment Document and ClassificationMIL-G-45204,TYPE 2,GRADE C,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT
Style DesignatorIRREGULAR SHAPE
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Terminal Type and Quantity1 CRIMP AND SOLDER END OPPOSITE CONTACT
MaterialCOPPER ALLOY BODY
Specification/standard Data81349-MIL-C-21097/17 GOVERNMENT SPECIFICATION
Surface TreatmentGOLD AND NICKEL SILVER BODY AND CONTACT
MaterialCOPPER ALLOY CONTACT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeZZ
Weight0.0020 lbs
Cube0.0006 cu ft
Verified Substitutes 1
5999-01-109-4174L03008 SUCCESSOR
Contact,electrical
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
M21097/17-01 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
M21097/17 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-21097/17 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-21097/17 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
340-998003 Maniabarco Inc. (USA)
M21097/17-01 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5999-01-109-4174SUCCESSOR
CONTACT,ELECTRICAL
L03008

Frequently Asked Questions

What is NSN 5999-00-135-4116?

NSN 5999-00-135-4116 is a Contact,electrical, manufactured by Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-135-4116?

NSN 5999-00-135-4116 has 6 cross-referenced part numbers: M21097/17-01 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), M21097/17 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-21097/17 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-21097/17 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 340-998003 (Maniabarco Inc.) and 1 more.

What NSN replaces 5999-00-135-4116?

There is 1 known substitute for 5999-00-135-4116: 5999-01-109-4174. Verify interchangeability with system specifications before substitution.

What are the specifications of M21097/17-01?

Key specifications for M21097/17-01: Overall Length: 0.620 INCHES NOMINAL IN; Precious Material: GOLD; Test Data Document: 81349-MIL-C-21097 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Precious Material and Weight: 0.005 GOLD GRAINS, TROY. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-135-4116 still in active supply?

NSN 5999-00-135-4116 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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