2520-00-770-7446 RING,LOCK,SERRATED Index 5340-00-770-7450 INSERT,SCREW THREAD

National Stock Number:
5325-00-770-7447

Federal Supply Class:
5325

National Item Identification Number:
007707447

Description:
INSERT,SCREW THREAD

Detail:
A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes items having a sleeve on its underportion which can be clinched or crimped. Excludes BUSHING, MACHINE THREAD; NUT, PLAIN, KNURLED; NUT, PLAIN, ROUND; NUT, PLAIN, CLINCH and NUT, SELF-LOCKING, CLINCH. See also NUT, PLAIN, PLATE.


Manufacturer Information:
012-1423-00 (SADC C.C. 77-78 AB)13499ROCKWELL COLLINS, INC.
52110302978RENK AMERICA LLC
676528724617GENERAL MOTORS CORP
R106SB883324HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
INSERT SIZE0.375-16 NS,0.3347 IN. MIN,0.3372 IN. MAX PITCH DIA
LENGTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1117 OVERALL
STYLE DESIGNATORSERRATED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL


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