1680-00-875-8003 DOWNLOCK ASSEMBLY,C Index 3110-00-875-8006 BEARING,BALL,ANNULAR

National Stock Number:
5325-00-875-8005

Federal Supply Class:
5325

National Item Identification Number:
008758005

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:
235-7-5A01556STANLEY ENGINEERED FASTENING LLC
28904-911599TRIUMPH ENGINE CONTROL SYSTEMS LLC
932B-3SE031201556STANLEY ENGINEERED FASTENING LLC


Techincal Specification:
FLANGE DIAMETER0.312 INCHES NOMINAL
INSERT SIZE5/16-18 UNC-3A
LENGTH0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD SIZE0.190 INCHES
STYLE DESIGNATORKEYLOCK
THREAD CLASS3B
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF
TOP PORTION UNTHREADED OUTSIDE LENGTH0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM
TOP UNTHREADED PORTION OUTSIDE DIAMETER0.242 INCHES MINIMUM AND 0.252 INCHES MAXIMUM


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