PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21220Cap,electrical

Raytheon Company Dba Raytheon · NSN 5999-00-223-4185 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-223-4185 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-223-4185. Primary manufacturer part number: 21220.
Features
  • Cap,electrical — FSC 5999
  • Diameter: 1.375 INCHES NOMINAL IN
  • Thread Size: 1-3/16-18
  • Mounting Method: THREAD
  • Chain: NOT INCLUDED
  • Length: 1.531 INCHES NOMINAL IN
  • Insert: NOT INCLUDED
  • Material: PLASTIC BODY
Applications
  • Applications requiring Plastic Body construction
General Description

The Cap,electrical, cataloged under National Stock Number 5999-00-223-4185, 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 Raytheon Company Dba Raytheon. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5999-00-223-4185
Primary Part Number21220
Item NameCap,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Diameter1.375 INCHES NOMINAL IN
Thread Size1-3/16-18
Mounting MethodTHREAD
ChainNOT INCLUDED
Length1.531 INCHES NOMINAL IN
InsertNOT INCLUDED
MaterialPLASTIC BODY
FSC Application DataRADAR SET,AIRBORNE
Diameter1.375 INCHES NOMINAL IN
Thread Size1-3/16-18
Mounting MethodTHREAD
ChainNOT INCLUDED
Length1.531 INCHES NOMINAL IN
InsertNOT INCLUDED
MaterialPLASTIC BODY
FSC Application DataRADAR SET,AIRBORNE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 12
5935-00-243-2864 INTERCHANGEABLE
Adapter,connector
4720-00-288-9875 INTERCHANGEABLE
Hose,nonmetallic
3110-00-293-922810863050 INTERCHANGEABLE
Roller,bearing
U S Army Tank Automotive Command Amsta-Im-Mm
5905-00-392-012299744 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Telemechanics Inc
5330-00-933-358811657684 INTERCHANGEABLE
Seal,plain Encased
U S Army Tank Automotive Command Amsta-Im-Mm
5940-01-115-8272300634AG INTERCHANGEABLE
Terminal Box
Haldex Brake Products Corporation
5330-01-287-29392-12-20 INTERCHANGEABLE
Gasket
Fulton Boiler Works Inc
5330-01-374-767521220 NON-ASBESTOS INTERCHANGEABLE
Packing,preformed
Industrial Technologies and Services Llc
4235-01-423-071121220 INTERCHANGEABLE
Sorbent,hazardous Material
Waste Solutions Corp
3830-01-426-241421346-1007-1 INTERCHANGEABLE
Cover,shaft
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
315A258 Motorola Inc. Dba Integrated Information Systems Group (USA)
21220 PRIMARY Raytheon Company Dba Raytheon (USA)
315A258 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
Related Parts
5935-00-243-2864INTERCHANGEABLE
ADAPTER,CONNECTOR
4720-00-288-9875INTERCHANGEABLE
HOSE,NONMETALLIC
3110-00-293-9228INTERCHANGEABLE
ROLLER,BEARING
10863050
5905-00-392-0122INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
99744
5330-00-933-3588INTERCHANGEABLE
SEAL,PLAIN ENCASED
11657684
5940-01-115-8272INTERCHANGEABLE
TERMINAL BOX
300634AG
5330-01-287-2939INTERCHANGEABLE
GASKET
2-12-20
5330-01-374-7675INTERCHANGEABLE
PACKING,PREFORMED
21220 NON-ASBESTOS
4235-01-423-0711INTERCHANGEABLE
SORBENT,HAZARDOUS MATERIAL
21220
3830-01-426-2414INTERCHANGEABLE
COVER,SHAFT
21346-1007-1
4820-01-426-7801INTERCHANGEABLE
GEAR OPERATOR,VALVE
21220-1007-1
3040-01-428-3193INTERCHANGEABLE
SHAFT,SHOULDERED
21220-1008-1

Frequently Asked Questions

What is NSN 5999-00-223-4185?

NSN 5999-00-223-4185 is a Cap,electrical, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-223-4185?

NSN 5999-00-223-4185 has 3 cross-referenced part numbers: 315A258 (Motorola Inc. Dba Integrated Information Systems Group), 21220 (Raytheon Company Dba Raytheon), 315A258 (General Dynamics Mission Systems, Inc. Dba Gdms).

What NSN replaces 5999-00-223-4185?

There are 12 known substitutes for 5999-00-223-4185: 5935-00-243-2864, 4720-00-288-9875, 3110-00-293-9228 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21220?

Key specifications for 21220: Diameter: 1.375 INCHES NOMINAL IN; Thread Size: 1-3/16-18; Mounting Method: THREAD; Chain: NOT INCLUDED. 16 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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