7021-01-501-0281 COMPUTER,DIGITAL Index 7025-01-501-0283 DISK AND TAPE DRIVE UNIT

National Stock Number:
5325-01-501-0282

Federal Supply Class:
5325

National Item Identification Number:
015010282

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:
440-7067818-4153711NAVAL SEA SYSTEMS COMMAND
H683-4302-4196169ELECTRIC BOAT CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUN
INSERT SIZE2.000X12
LENGTH2.127 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390, ALLOY C90300 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 903 OVERALL
PROPRIETARY CHARACTERISTICSPACS
MOUNTING FACILITY DIAMETER0.250 INCHES NOMINAL
MOUNTING FACILITY QUANTITY2
MOUNTING METHODUNTHREADED HOLE
NOMINAL THREAD SIZE2.000 INCHES
SPECIAL FEATURESINSERT HAS ONE DRILLED HOLE THRU THE SIDE 0.242 MIN AND 0.244 MAX, SURFACE FINISH IS 125.0
STYLE DESIGNATORPLAIN
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.565 INCHES MINIMUM AND 1.575 INCHES MAXIMUM
THREAD QUANTITY PER INCH12


Click here to Register for Free 30-day Trial