PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-327Contact,electrical

Eaton Corp Opns & Technical Center · NSN 5999-00-035-7934 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-035-7934 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-035-7934. Primary manufacturer part number: 21-327.
Features
  • Contact,electrical — FSC 5999
  • Surface Treatment: SILVER CONTACT
  • Mounting Facility Quantity: 1
  • Precious Material: SILVER
  • Material: COPPER ALLOY CONTACT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Precious Material and Weight: 0.005 SILVER GRAINS, TROY
  • Surface Treatment: SILVER BODY
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-035-7934, 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 Eaton Corp Opns & Technical Center. Government technical data includes 28 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-035-7934
Primary Part Number21-327
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEaton Corp Opns & Technical Center
StatusACTIVE
Surface TreatmentSILVER CONTACT
Mounting Facility Quantity1
Precious MaterialSILVER
MaterialCOPPER ALLOY CONTACT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Precious Material and Weight0.005 SILVER GRAINS, TROY
Surface TreatmentSILVER BODY
Mounting MethodTHREADED HOLE(S)
Thread Quantity Per Inch32
Nominal Thread Size0.164 INCHES IN
Current Rating in Amps10.0
MaterialCOPPER ALLOY BODY
Cable Entrance Diameter0.034 INCHES NOMINAL IN
Precious Material and LocationEXTERNAL SURFACE SILVER
Voltage Rating in Volts110.0 AC
Terminal Type and Quantity1 TAB W/SCREW AXIALLY AT ONE END
Style DesignatorPIN CENTER CONTACT
Thread Class2B
Pin Diameter0.025 INCHES NOMINAL IN
Thread Pitch Diameters+0.157 TO 0.163 INCHES IN
Overall Diameter0.094 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Surface TreatmentSILVER CONTACT
Mounting Facility Quantity1
Precious MaterialSILVER
MaterialCOPPER ALLOY CONTACT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Precious Material and Weight0.005 SILVER GRAINS, TROY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 4
9540-00-288-1145 INTERCHANGEABLE
Angle,structural
5950-01-318-115513-327 INTERCHANGEABLE
Transformer,power Autotransforme
Te Connectivity Corporation
4820-01-418-889621327-003 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
1010-01-533-941021327 INTERCHANGEABLE
Adapter Rail,weapon Mounted
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
21-327 PRIMARY Eaton Corp Opns & Technical Center (USA)
Related Parts
9540-00-288-1145INTERCHANGEABLE
ANGLE,STRUCTURAL
5950-01-318-1155INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
13-327
4820-01-418-8896INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21327-003
1010-01-533-9410INTERCHANGEABLE
ADAPTER RAIL,WEAPON MOUNTED
21327

Frequently Asked Questions

What is NSN 5999-00-035-7934?

NSN 5999-00-035-7934 is a Contact,electrical, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-035-7934?

NSN 5999-00-035-7934 has 1 cross-referenced part number: 21-327 (Eaton Corp Opns & Technical Center).

What NSN replaces 5999-00-035-7934?

There are 4 known substitutes for 5999-00-035-7934: 9540-00-288-1145, 5950-01-318-1155, 4820-01-418-8896 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-327?

Key specifications for 21-327: Surface Treatment: SILVER CONTACT; Mounting Facility Quantity: 1; Overall Length: 1.030 INCHES NOMINAL IN; Precious Material: SILVER. 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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