PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-33122-546Contact,electrical

Amphenol Corp Div Amphenol Aerospace Operations · NSN 5999-01-444-5102 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-444-5102 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-444-5102. Primary manufacturer part number: 21-33122-546.
Features
  • Contact,electrical — FSC 5999
  • Material: COPPER ALLOY BODY AND CONTACT
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY
  • Overall Diameter: 0.182 INCHES MAXIMUM IN
  • Style Designator: PIN CENTER CONTACT
  • Crimping Tool Identifying Number: M22520/2-01
  • Pin Diameter: 0.027 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 1 CRIMP END OPPOSITE CONTACT
Applications
  • Applications requiring Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-444-5102, 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 Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-01-444-5102
Primary Part Number21-33122-546
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerAmphenol Corp Div Amphenol Aerospace Operations
StatusACTIVE
MaterialCOPPER ALLOY BODY AND CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Overall Diameter0.182 INCHES MAXIMUM IN
Style DesignatorPIN CENTER CONTACT
Crimping Tool Identifying NumberM22520/2-01
Pin Diameter0.027 INCHES MAXIMUM IN
Terminal Type and Quantity1 CRIMP END OPPOSITE CONTACT
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Identification Code ColorBROWN THIRD COLOR
Identification Code ColorRED FIRST COLOR
Precious MaterialGOLD
Mounting MethodFORCE FIT
Cable Entrance Diameter0.090 INCHES MINIMUM IN
Surface Treatment Document and ClassificationMIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT
Surface TreatmentGOLD BODY AND CONTACT
Identification Code ColorBROWN SECOND COLOR
MaterialCOPPER ALLOY BODY AND CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Overall Diameter0.182 INCHES MAXIMUM IN
Style DesignatorPIN CENTER CONTACT
Crimping Tool Identifying NumberM22520/2-01
Pin Diameter0.027 INCHES MAXIMUM IN
Terminal Type and Quantity1 CRIMP END OPPOSITE CONTACT
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Identification Code ColorBROWN THIRD COLOR
Identification Code ColorRED FIRST COLOR
Precious MaterialGOLD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5999-01-071-6709M39029/28-211 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
21-33122-546 PRIMARY Amphenol Corp Div Amphenol Aerospace Operations (USA)
Related Parts
5999-01-071-6709INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/28-211

Frequently Asked Questions

What is NSN 5999-01-444-5102?

NSN 5999-01-444-5102 is a Contact,electrical, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-444-5102?

NSN 5999-01-444-5102 has 1 cross-referenced part number: 21-33122-546 (Amphenol Corp Div Amphenol Aerospace Operations).

What NSN replaces 5999-01-444-5102?

There is 1 known substitute for 5999-01-444-5102: 5999-01-071-6709. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-33122-546?

Key specifications for 21-33122-546: Material: COPPER ALLOY BODY AND CONTACT; Precious Material and Weight: 0.005 GOLD GRAINS, TROY; Overall Diameter: 0.182 INCHES MAXIMUM IN; Style Designator: PIN CENTER 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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