PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-308Contact,electrical

Eaton Corp Opns & Technical Center · NSN 5999-00-422-8491 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-422-8491 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-422-8491. Primary manufacturer part number: 21-308.
Features
  • Contact,electrical — FSC 5999
  • Material: SILVER BODY
  • Current Rating in Amps: 15.0
  • Voltage Rating in Volts: 440.0 DC
  • Precious Material and Location: BODY SILVER
  • Precious Material: SILVER
  • Material: SILVER BODY
  • Current Rating in Amps: 15.0
Applications
  • Applications requiring Silver Body construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-422-8491, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-422-8491
Primary Part Number21-308
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEaton Corp Opns & Technical Center
StatusACTIVE
MaterialSILVER BODY
Current Rating in Amps15.0
Voltage Rating in Volts440.0 DC
Precious Material and LocationBODY SILVER
Precious MaterialSILVER
MaterialSILVER BODY
Current Rating in Amps15.0
Voltage Rating in Volts440.0 DC
Precious Material and LocationBODY SILVER
Precious MaterialSILVER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.0200 lbs
Cube0.0020 cu ft
Verified Substitutes 12
Cable,radio Frequency
4820-00-243-4815 INTERCHANGEABLE
Valve,y
5910-00-553-5036196P10401S4 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Sprague Electric Co World Hqs
9540-00-585-7202 INTERCHANGEABLE
Angle,structural
2910-00-930-16577016001 INTERCHANGEABLE
Carburetor,float
General Motors Llc Dba General Motors Llc
5910-00-963-54221064638 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
L3harris Technologies, Inc.
5950-01-015-885621308 INTERCHANGEABLE
Transformer,power
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
3120-01-272-327521308 INTERCHANGEABLE
Bearing,sleeve
Parker Hannifin Corp Dba Pneutronics
4810-01-430-415521308-1004-1 INTERCHANGEABLE
Sleeve,drive,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-430-416121308-1003-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
10646-38 Prosperity a Div of Ametek Inc (USA)
21-308 PRIMARY Eaton Corp Opns & Technical Center (USA)
Related Parts
6145-00-643-2107SUCCESSOR
CABLE,RADIO FREQUENCY
4820-00-243-4815INTERCHANGEABLE
VALVE,Y
5910-00-553-5036INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
196P10401S4
9540-00-585-7202INTERCHANGEABLE
ANGLE,STRUCTURAL
2910-00-930-1657INTERCHANGEABLE
CARBURETOR,FLOAT
7016001
5910-00-963-5422INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
1064638
5950-01-015-8856INTERCHANGEABLE
TRANSFORMER,POWER
21308
3120-01-272-3275INTERCHANGEABLE
BEARING,SLEEVE
21308
4810-01-430-4155INTERCHANGEABLE
SLEEVE,DRIVE,VALVE
21308-1004-1
4810-01-430-4161INTERCHANGEABLE
PISTON,VALVE
21308-1003-1
4820-01-469-2668INTERCHANGEABLE
VALVE,DIR CONTROL
21308-001
1005-01-503-0020INTERCHANGEABLE
SLING
21308

Frequently Asked Questions

What is NSN 5999-00-422-8491?

NSN 5999-00-422-8491 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 5999-00-422-8491?

NSN 5999-00-422-8491 has 2 cross-referenced part numbers: 10646-38 (Prosperity a Div of Ametek Inc), 21-308 (Eaton Corp Opns & Technical Center).

What NSN replaces 5999-00-422-8491?

There are 12 known substitutes for 5999-00-422-8491: 6145-00-643-2107, 4820-00-243-4815, 5910-00-553-5036 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-308?

Key specifications for 21-308: Material: SILVER BODY; Current Rating in Amps: 15.0; Voltage Rating in Volts: 440.0 DC; Precious Material and Location: BODY SILVER. 10 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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