NSN 5325-01-286-7321

Part Details | SCREW THREAD INSERT

5325-01-286-7321 A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled, tapped 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 on its under portion 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

Alternate Parts: CTS310A19, CTS310A-19, MS51831A109, 5325-01-286-7321, 01-286-7321, 5325012867321, 012867321

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 07, 198801-286-732111444 ( INSERT, SCREW THREAD )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 5325-01-286-7321
Part Number Cage Code Manufacturer
CTS310A-1976301BOEING COMPANY, THEDBA BOEING
MS51831A10996906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5325-01-286-7321
Characteristic Specifications
STYLE DESIGNATOR6 PLAIN
LENGTH1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM
INTERNAL THREAD RELIEF DEPTH0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
FULL INTERNAL THREAD LENGTH1.025 INCHES NOMINAL
INSERT SIZE1.1250-12UNF-2A
SPECIAL FEATURESFOUR LOCKING KEYS; TOP MARKED W/TWO PARALLEL DASH MARKS; ROCKWELL HARDNESS 36.0 TO 40.0; HEAT TREATED TO 160000 PSI