NSN 5325-00-340-4639
Part Details | SCREW THREAD INSERT
5325-00-340-4639 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: S1565641791, S1565-64179-1, S1565641791, S1565-64179-1, S156564179001, S1565-64179-001, S1565641791, S1565-64179-1, 5325-00-340-4639, 00-340-4639, 5325003404639, 003404639
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 06, 1974 | 00-340-4639 | 11444 ( INSERT, SCREW THREAD ) |
REFERENCE DRAWINGS & PICTURES
COIL

Cross Reference | NSN 5325-00-340-4639
Part Number | Cage Code | Manufacturer |
---|---|---|
S1565-64179-1 | D1081 | AIRBUS DEUTSCHLAND GMBH -WERKBREMEN- |
S1565-64179-1 | 8P827 | EDR INDUSTRIES, INC.DBA WIL-NIC |
S1565-64179-001 | 78286 | SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY |
S1565-64179-1 | 78286 | SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY |
Technical Data | NSN 5325-00-340-4639
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | 4 COIL |
FLANGE THICKNESS | 0.093 INCHES NOMINAL |
LENGTH | 0.593 INCHES MINIMUM AND 0.598 INCHES MAXIMUM |
WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
INSERT SIZE | 0.375-24 UNF 3A |
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD SIZE | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3B |
SPECIAL FEATURES | DRILL 2 LOCKWIRE HOLES IN FLANGE 0.040 IN. DIA |