SC5081-20-56P
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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
right-hand thread direction, hexagon head style, 3a thread class, 1.686 inches nominal thread length, 5.301 inches minimum and 5.341 inches maximum fastener length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 1.686 inches nominal
- Fastener Length
- 5.301 inches minimum and 5.341 inches maximum
- Head Style
- hexagon
- Head Height
- 0.703 inches minimum and 0.735 inches maximum
- Width Between Flats
- 1.990 inches minimum and 2.003 inches maximum
- Shoulder Diameter
- 1.368 inches minimum and 1.374 inches maximum first shoulder
- Shoulder Length
- 3.625 inches nominal first shoulder
- Nominal Thread Diameter
- 1.250 inches
- Thread Quantity Per Inch
- 12
- Shoulder Shape
- round first shoulder
- Material
- iron alloy 660 overall
- Surface Treatment
- passivate or chromate and cadmium overall
- Thread Series Designator
- unjf
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 |
|---|---|
| 3D0124-20-56 | Shoulder Bolt |
| SC5081-20-56P | Shoulder Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-01-395-2123?
Does the NSN 5306-01-395-2123 have a Schedule B code assigned?
Does NSN 5306-01-395-2123 require demilitarization?
Does NSN 5306-01-395-2123 contain precious materials?
Does NSN 5306-01-395-2123 contain hazardous materials?
When the NSN 5306-01-395-2123 was assigned to the Federal Catalog?
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