Document and Entity Information - shares	9 Months Ended
	Dec. 28, 2018	Feb. 11, 2019
Document And Entity Information
Entity Registrant Name	IEH Corp
Entity Central Index Key	0000050292
Document Type	10-Q
Document Period End Date	Dec. 28, 2018
Amendment Flag	false
Current Fiscal Year End Date	--03-29
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		2,323,468
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2019