2940-00-847-4955 SCREEN ASSEMBLY Index 3120-00-847-4957 BUSHING,SLEEVE

National Stock Number:
5325-00-847-4956

Federal Supply Class:
5325

National Item Identification Number:
008474956

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:
246-7-6A01556EMHART TEKNOLOGIES LLC
28904-1011599TRIUMPH ENGINE CONTROL SYSTEMS LLC
28904-10C0297GOODRICH CONTROL SYSTEMS GMBH
932B-4SE037501556EMHART TEKNOLOGIES LLC


Techincal Specification:
INSERT SIZE318 IN.-16 UNC OR NC CLASS 3A
LENGTH0.375 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIK-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL
STYLE DESIGNATORKEYLOCK
SURFACE TREATMENTPASSIVATE OVERALL
TOP PORTION UNTHREADED OUTSIDE LENGTH0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
TOP UNTHREADED PORTION OUTSIDE DIAMETER0.290 INCHES MINIMUM AND 0.295 INCHES MAXIMUM


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