Document and Entity Information - shares	3 Months Ended
	Jun. 28, 2019	Aug. 19, 2019
Document And Entity Information
Entity Registrant Name	IEH Corp
Entity Central Index Key	0000050292
Document Type	10-Q
Document Period End Date	Jun. 28, 2019
Amendment Flag	false
Current Fiscal Year End Date	--03-29
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		2,323,468
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2019
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes