KNL624MXSY
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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
0.500 inches nominal length, 0.070 inches nominal internal thread relief depth, 0.500-13 unc-2a insert size, 0.430 inches minimum full internal thread length, 3b thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3b
- Length
- 0.500 inches nominal
- Insert Size
- 0.500-13 unc-2a
- Internal Thread Relief Depth
- 0.070 inches nominal
- Full Internal Thread Length
- 0.430 inches minimum
- Features Provided
- individually keyed
- Thread Quantity Per Inch
- 24
- Nominal Thread Size
- 0.3750 inches
- Material
- steel comp 4130 or steel comp 4140 overall
- Material Document And Classification
- mil-s-6758 mil spec 1st material response or mil-s-5626 mil spec 2nd material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 2 fed spec single treatment response overall
- Style Designator
- grooved keylock
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas1394 professional/industrial association standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5340-00-842-6236 | No Name Available | 05/24/1971 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| KNL624JMXSY | Screw Thread Insert |
| KNL624MXSY | Screw Thread Insert |
| NAS1394-6L | Screw Thread Insert |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5325-00-073-6887?
Does the NSN 5325-00-073-6887 have a Schedule B code assigned?
Does NSN 5325-00-073-6887 require demilitarization?
Does NSN 5325-00-073-6887 contain precious materials?
Does NSN 5325-00-073-6887 contain hazardous materials?
When the NSN 5325-00-073-6887 was assigned to the Federal Catalog?
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