NSN 5325-00-420-1891

Part Details | SCREW THREAD INSERT

5325-00-420-1891 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: KNHL420, KH9005420, KH9005-420, KNHL420J, KNHL420, MS51831102L, MS51831-102L, 10007503, 5325-00-420-1891, 00-420-1891, 5325004201891, 004201891

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 12, 196900-420-189111444 ( INSERT, SCREW THREAD )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 5325-00-420-1891
Part Number Cage Code Manufacturer
KNHL420D0680ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - CAMLOC
KH9005-42075237ARCONIC GLOBAL FASTENERS & RINGS,INC.
KNHL420J29372ARCONIC GLOBAL FASTENERS & RINGS,INC.
KNHL42029372ARCONIC GLOBAL FASTENERS & RINGS,INC.
MS51831-102L96906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
1000750318876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 5325-00-420-1891
Characteristic Specifications
STYLE DESIGNATOR5 PLAIN
LENGTH0.375 INCHES NOMINAL
INTERNAL THREAD RELIEF DEPTH0.070 INCHES NOMINAL
FULL INTERNAL THREAD LENGTH0.305 INCHES NOMINAL
INSERT SIZE0.438-14
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.305 INCHES NOMINAL
FEATURES PROVIDED INDIVIDUALLY KEYED
SPECIAL FEATURESHAS INTERNAL THREAD LOCK