5305-00-977-9255 SCREW,SHOULDER Index 5975-00-977-9257 MOUNTING BASE,ELECTRICAL EQUIPME

National Stock Number:
5325-00-977-9256

Federal Supply Class:
5325

National Item Identification Number:
009779256

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:
171950507187HONEYWELL INTERNATIONAL INC.
171950556232LOCKHEED MARTIN CORPORATION


Techincal Specification:
INSERT SIZE0.179-0.184 IN. DIA OD
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD SIZE0.086 INCHES
THREAD QUANTITY PER INCH56
THE MANUFACTURERS DATA
MANUFACTURERS CODE07187
DESIGN CONTROL REFERENCE1719505
MATERIALALUMINUM ALLOY 6061 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FLANGE DIAMETER0.250 INCHES NOMINAL
FLANGE THICKNESS0.078 INCHES NOMINAL
LENGTH0.180 INCHES NOMINAL


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