AIA/NAS - NASM8846
Inserts, Screw-Thread, Helical Coil
| Organization: | AIA/NAS |
| Publication Date: | 1 May 1998 |
| Status: | inactive |
| Page Count: | 14 |
scope:
Scope. This specification covers helical coil screw-thread inserts made from formed wire, the inner surfaces of which, after assembly, provide threads as specified.
Classification. Inserts shall be of the following types and classes, as
specified (see 6.2).
a. Type I - Coarse thread
(1) Class 1 - Free running.
(2) Class 2 - Screw locking (self-locking)
b. Type II - Fine thread
(1) Class 1 - Free running
(2) Class 2 - Screw locking (self-locking).
c. Type III - Taper pipe thread
(1) Class 5 - NPT pipe thread
(2) Class 6 - ANPT pipe thread
THE INITIAL RELEASE OF THIS DOCUMENT SUPERSEDES MIL-I-8846, REVISION D,
AMENDMENT 1, SUPPLEMENT 1.
LIST OF CURRENT SHEETS
NO. REV NO. REV NO. REV
1 NEW 6 NEW 11 NEW
2 NEW 7 NEW 12 NEW
3 NEW 8 NEW 13 NEW
4 NEW 9 NEW
5 NEW 10 NEW
d. Type IV - Metric-spark plug thread
(1) Class 3 - Staking (spark plug thread)
intended Use:
The inserts covered by this specification are intended for use in original design application, especially in soft materials, to provide protection against thread failures caused by stripping,... View More
Document History