PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-505Contact Assembly,electrical

Eaton Corp Opns & Technical Center · NSN 5999-00-364-0768 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-364-0768 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-364-0768. Primary manufacturer part number: 21-505.
Features
  • Contact Assembly,electrical — FSC 5999
  • Government Agency Controlling Contact: USN
  • Contact Item Name Assigned by Government Agency: CONTACT ASSY
  • Structural Design: NONSWITCHING
  • Precious Material: SILVER
  • Contact Identifying Number Assigned by Government Agency: 21-505
  • Precious Material and Weight: 0.005 SILVER GRAINS, TROY
  • Precious Material and Location: CONTACTS SILVER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact Assembly,electrical, cataloged under National Stock Number 5999-00-364-0768, 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 16 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-364-0768
Primary Part Number21-505
Item NameContact Assembly,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEaton Corp Opns & Technical Center
StatusACTIVE
Government Agency Controlling ContactUSN
Contact Item Name Assigned by Government AgencyCONTACT ASSY
Structural DesignNONSWITCHING
Precious MaterialSILVER
Contact Identifying Number Assigned by Government Agency21-505
Precious Material and Weight0.005 SILVER GRAINS, TROY
Precious Material and LocationCONTACTS SILVER
Contact Quantity2
Government Agency Controlling ContactUSN
Contact Item Name Assigned by Government AgencyCONTACT ASSY
Structural DesignNONSWITCHING
Precious MaterialSILVER
Contact Identifying Number Assigned by Government Agency21-505
Precious Material and Weight0.005 SILVER GRAINS, TROY
Precious Material and LocationCONTACTS SILVER
Contact Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0200 lbs
Cube0.0002 cu ft
Verified Substitutes 9
Circuit Card Assembly
5330-00-004-32422/1505 INTERCHANGEABLE
Packing,preformed
Scotsman Industries Inc Div Scotsman Ice Systems
3610-00-226-8197 INTERCHANGEABLE
Stud,roller Drive Cam
4810-00-499-999221505 INTERCHANGEABLE
Actuator Sleeve,lower
Eaton Aerospace Llc
5340-01-083-795266B839 INTERCHANGEABLE
Plate,mending
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
5120-01-122-295721-505 INTERCHANGEABLE
Centralizer,timing
Bosch Automotive Service Solutions Ltd
5920-01-285-761821505 INTERCHANGEABLE
Arrester,electrical Surge
Computer Power Solutions
5130-01-389-8450BWD482 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5950-01-406-243521505 INTERCHANGEABLE
Coil,radio Frequency
Robert M. Hadley Company, Inc.
Cross-Reference Index
Part NumberManufacturer
21-505 PRIMARY Eaton Corp Opns & Technical Center (USA)
Related Parts
5998-01-072-2472SUCCESSOR
CIRCUIT CARD ASSEMBLY
5330-00-004-3242INTERCHANGEABLE
PACKING,PREFORMED
2/1505
3610-00-226-8197INTERCHANGEABLE
STUD,ROLLER DRIVE CAM
4810-00-499-9992INTERCHANGEABLE
ACTUATOR SLEEVE,LOWER
21505
5340-01-083-7952INTERCHANGEABLE
PLATE,MENDING
66B839
5120-01-122-2957INTERCHANGEABLE
CENTRALIZER,TIMING
21-505
5920-01-285-7618INTERCHANGEABLE
ARRESTER,ELECTRICAL SURGE
21505
5130-01-389-8450INTERCHANGEABLE
SOCKET,SOCKET WRENCH
BWD482
5950-01-406-2435INTERCHANGEABLE
COIL,RADIO FREQUENCY
21505

Frequently Asked Questions

What is NSN 5999-00-364-0768?

NSN 5999-00-364-0768 is a Contact Assembly,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 5999-00-364-0768?

NSN 5999-00-364-0768 has 1 cross-referenced part number: 21-505 (Eaton Corp Opns & Technical Center).

What NSN replaces 5999-00-364-0768?

There are 9 known substitutes for 5999-00-364-0768: 5998-01-072-2472, 5330-00-004-3242, 3610-00-226-8197 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-505?

Key specifications for 21-505: Government Agency Controlling Contact: USN; Contact Item Name Assigned by Government Agency: CONTACT ASSY; Structural Design: NONSWITCHING; Precious Material: SILVER. 22 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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