NSN 5325-00-637-1556
Part Details | SCREW THREAD INSERT
5325-00-637-1556 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: 1620039, 16-20039, 5325-00-637-1556, 00-637-1556, 5325006371556, 006371556
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-637-1556 | 11444 ( INSERT, SCREW THREAD ) |
REFERENCE DRAWINGS & PICTURES
COIL

Cross Reference | NSN 5325-00-637-1556
Part Number | Cage Code | Manufacturer |
---|---|---|
16-20039 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFTDIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
Technical Data | NSN 5325-00-637-1556
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | 4 COIL |
FLANGE THICKNESS | 0.125 INCHES NOMINAL |
LENGTH | 0.813 INCHES NOMINAL |
WIDTH ACROSS FLATS | 1.094 INCHES NOMINAL |
INSERT SIZE | 0.656 |
PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |