5325-00-844-3176 GROMMET,NONMETALLIC Index 5325-00-844-3178 INSERT,SCREW THREAD

National Stock Number:
5325-00-844-3177

Federal Supply Class:
5325

National Item Identification Number:
008443177

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:
716762-00156232LOCKHEED MARTIN CORPORATION
MS35914-4396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
INSERT SIZE11/64-40 NS
LENGTH0.224 INCHES MINIMUM AND 0.244 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI/SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD SIZE0.112 INCHES
PILOT DIAMETER0.145 INCHES MINIMUM AND 0.152 INCHES MAXIMUM
SLOT DEPTH0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
SLOT WIDTH0.048 INCHES MINIMUM AND 0.058 INCHES MAXIMUM
STYLE DESIGNATORSLOTTED
SURFACE TREATMENTPASSIVATE OVERALL
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNC


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