0740766
View detailed technical data, stock status, and sourcing information for: 0740766
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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, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
flat countersunk head style, 2a thread class, 0.438 inches nominal thread length, right-hand thread direction, 0.500 inches nominal 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.438 inches nominal
- Fastener Length
- 0.500 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.244 inches minimum and 0.279 inches maximum
- Internal Drive Style
- cross recess type 1
- End Item Identification
- multiple launch rocket system (mlrs)
- Nominal Thread Diameter
- 0.138 inches
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 60000 pounds per square inch
- Countersink Angle
- 80.0 degrees minimum and 82.0 degrees maximum
- Screw Material
- steel
- Screw Material Document And Classification
- 66 fed std single material response or astma108 assn std single material response
- Screw Surface Treatment
- cadmium and chromate
- Screw Surface Treatment Document And Classification
- qq-p-416,type 2 class 3 fed spec single treatment response or mil-c-81562,type 2 class 3 mil spec single treatment response
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 3 type and 2c style
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-013-3432 | No Name Available | 11/01/1983 |
| 5305-00-013-4171 | No Name Available | 03/23/1966 |
| 5305-00-088-9072 | No Name Available | 01/01/1963 |
| 5305-00-720-8291 | No Name Available | 03/30/1967 |
| 5305-00-817-5461 | No Name Available | 11/01/1982 |
| 5305-00-818-4592 | No Name Available | 07/01/1995 |
| 5305-00-822-6201 | No Name Available | 07/01/1995 |
| 5305-00-828-6255 | No Name Available | 07/01/1966 |
| 5305-00-863-9113 | No Name Available | 12/09/1968 |
| 5305-01-038-1551 | No Name Available | 06/01/1990 |
| 5305-01-578-0707 | No Name Available | 05/01/2021 |
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 |
|---|---|
| 0740766 | Machine Screw |
| 503/4/04024/061 | Machine Screw |
| 5305-059-4553 | Machine Screw |
| 5305000594553 | Machine Screw |
| 5305PL0890227 | Machine Screw |
| 853330 | Machine Screw |
| MS35190-238 | Machine Screw |
| MS35237-37 | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-059-4553?
Does the NSN 5305-00-059-4553 have a Schedule B code assigned?
Does NSN 5305-00-059-4553 require demilitarization?
Does NSN 5305-00-059-4553 contain precious materials?
Does NSN 5305-00-059-4553 contain hazardous materials?
When the NSN 5305-00-059-4553 was assigned to the Federal Catalog?
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