INCH-POUND
MIL-DTL-21248C
22 October 2013
SUPERSEDING
MIL-R-21248B
1 August 1969
DETAIL SPECIFICATION
RING, RETAINING (TAPERED AND REDUCED SECTION TYPE)
This specification is approved for use by all Departments and Agencies of the Department of
Defense.
1. SCOPE
1.1 Scope. This specification covers the procurement requirements for tapered and reduced
section type retaining rings of rectangular and beveled cross - section.
1.2 Classification. Retaining rings are of the following types and classes as specified (see
6.2):
Type
Class
Description
I Flat
1
Internal, Basic (see 3.5.2.1.1)
2
External, Basic (see 3.5.2.1.2)
3
Internal, Inverted (see 3.5.2.1.3)
4
External, Inverted (see 3.5.2.1.4)
5
External, "E" (see 3.5.2.1.5)
6
External, Crescent (see 3.5.2.1.6)
7
External, Grip (see 3.5.2.1.7)
8
External, Interlock (see 3.5.2.1.8)
9
External, Reinforced "E" (see 3.5.2.1.9)
10
External, Heavy Duty (see 3.5.2.1.10)
II Bowed
1
Internal (see 3.5.2.2.1)
2
External (see 3.5.2.2.2)
3
External, "E" (see 3.5.2.2.3)
4
External, Prong Lock (see 3.5.2.2.4)
III Beveled
1
Internal (see 3.5.3.1)
2
External (see 3.5.3.2)
Comments, suggestions, or questions on this document should be addressed to Defense
Supply Center Philadelphia (DSCP), ATTN: DSCP-NASA, 700 Robbins Avenue, Philadelphia,
PA 19111-5096 or e-mail to dscpg&ispecomments@dla.mil . Since contact information can
change, you may want to verify the currency of this address information using the ASSIST
Online database at https://assist.dla.mil .
AMSC N/A
FSC 5325
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business