NPFC - DOD-I-63276
INSERT, SCREW THREAD, LOCKED IN, RING LOCKED, SERRATED, METRIC, GENERAL SPECIFICATION FOR
| Organization: | NPFC |
| Publication Date: | 21 October 1983 |
| Status: | active |
| Page Count: | 22 |
scope:
This specification covers metric locked in, screw thread inserts with and without metallic internal thread locking feature. The method of locking in the insert is by means of a serrated collar and an accessory lockring with matching serrations installed within the parent material to prevent rotation. The accessory lockring is also covered herein.
intended Use:
Inserts covered by this specification are intended primarily in equipments to protect and strengthen internal threads in materials with low shear strength, especially in areas where repeated... View More
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