A-A-50553 Fitting For Conduit, Metal Thick-Wall Rigid And Thin-Wall Emt TypeThis commercial item description CID covers rain tight, concrete tight, and miscellaneous fittings for rigid metal conduit and electrical metal tubing. This document does not cover fittings designed to meet the requirements of the National Electrical Code for use in hazardous locations or cast metal outlet bodies and floor boxes.

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A-A-50553A

TABLE III. Fitting configurations - Continued.

Kind	Configuration1	Threaded (Td) or threadless (Ts)	Type I	Type II	Class 1	Class 2	Styles2
P	90° (B)	Ts	Yes	Yes		Yes	1, 2
Q	Bushing, metal (C)				Yes		1, 2, 7, 8, 9
R	Bushing, non-metal (C)				Yes
S	Bushing, non-metal (C)				Yes
T	Chase nipple (C)				Yes		1, 2
u	Bushing, metal (C)					Yes	1, 2
Y	Offset (C)	Ts	Yes	Yes		Yes
x	Hub (B)	Td	Yes	Yes	Yes		1, 2

1(B) indicates box connector; (C) indicates conduit connector.

2Numbers shown are styles as follows:

(1) un-insulated (4) Reducer (7) Capped

(2) Insulated (5) External to internal (8) Grounding

(3) Enlarger (6) External to external (9) Grounding, insulated

3Kind L has a single locknut.

7.5 Subject term (key word) listing. adapter

box connector bushing coupling electrical

MILITARY INTERESTS: Custodians:

Army - CR4

Navy - MC Air Force - 11

CIVIL AGENCY COORDINATING ACTIVITY:

GSA - FSS

Review Activities: Army - CE

Air Force - 99

Preparing Activity: DLA - GS2

(Project 5975-1365)

NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST database at https://assist.daps.dla.mil.