NSN 5325-00-558-1021
Part Details | SCREW THREAD INSERT
5325-00-558-1021 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: KNKDL420J, KNKDL420, 21425962, 2142596-2, 21425962, 2142596-2, 5325-00-558-1021, 00-558-1021, 5325005581021, 005581021
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 11, 1974 | 00-558-1021 | 11444 ( INSERT, SCREW THREAD ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 5325-00-558-1021
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| KNKDL420J | 29372 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| KNKDL420 | 29372 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| 2142596-2 | 76301 | BOEING COMPANY, THEDBA BOEING |
| 2142596-2 | 55974 | HONEYWELL INTL INCDEFENSE AVIONICS SYSTEMS |
Technical Data | NSN 5325-00-558-1021
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 6 PLAIN |
| LENGTH | 0.385 INCHES MINIMUM AND 0.415 INCHES MAXIMUM |
| INTERNAL THREAD RELIEF DEPTH | 0.150 INCHES NOMINAL |
| FULL INTERNAL THREAD LENGTH | 0.250 INCHES NOMINAL |
| INSERT SIZE | 0.500-20 UNF 2A |
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3B |
| FEATURES PROVIDED | INDIVIDUALLY KEYED |