SP=2642-2
View detailed technical data, stock status, and sourcing information for: SP=2642-2
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.
right-hand thread direction, 3a thread class, 2.719 inches nominal fastener length, 0.500 inches minimum thread length, flat chamfer head style
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
- 0.500 inches minimum
- Fastener Length
- 2.719 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.469 inches minimum and 0.531 inches maximum
- Head Height
- 0.125 inches nominal
- Shoulder Diameter
- 0.370 inches minimum and 0.372 inches maximum first shoulder
- Shoulder Length
- 0.459 inches minimum and 0.479 inches maximum first shoulder
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.312 inches
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 25.0 rockwell c minimum and 29.0 rockwell c maximum overall
- Shoulder Shape
- round first shoulder
- Material
- steel comp 4130 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 3 fed spec single treatment response overall
- Thread Series Designator
- unf
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 |
|---|---|
| SP=2642-2 | Shoulder Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-027-0041?
Does the NSN 5305-00-027-0041 have a Schedule B code assigned?
Does NSN 5305-00-027-0041 require demilitarization?
Does NSN 5305-00-027-0041 contain precious materials?
Does NSN 5305-00-027-0041 contain hazardous materials?
When the NSN 5305-00-027-0041 was assigned to the Federal Catalog?
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