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) |
---|---|---|---|
53 | MAR 12, 1969 | 00-420-1891 | 11444 ( INSERT, SCREW THREAD ) |
REFERENCE DRAWINGS & PICTURES
PLAIN

Cross Reference | NSN 5325-00-420-1891
Part Number | Cage Code | Manufacturer |
---|---|---|
KNHL420 | D0680 | ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - CAMLOC |
KH9005-420 | 75237 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
KNHL420J | 29372 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
KNHL420 | 29372 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
MS51831-102L | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
10007503 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5325-00-420-1891
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | 5 PLAIN |
LENGTH | 0.375 INCHES NOMINAL |
INTERNAL THREAD RELIEF DEPTH | 0.070 INCHES NOMINAL |
FULL INTERNAL THREAD LENGTH | 0.305 INCHES NOMINAL |
INSERT SIZE | 0.438-14 |
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD SIZE | 0.250 INCHES |
THREAD QUANTITY PER INCH | 20 |
THREAD CLASS | 3B |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.305 INCHES NOMINAL |
FEATURES PROVIDED | INDIVIDUALLY KEYED |
SPECIAL FEATURES | HAS INTERNAL THREAD LOCK |