31053S7-8
View detailed technical data, stock status, and sourcing information for: 31053S7-8
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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.
fillister head style, 2a thread class, 0.437 inches nominal thread length, right-hand thread direction, 0.438 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
- 0.437 inches nominal
- Fastener Length
- 0.438 inches nominal
- Head Style
- fillister
- Head Diameter
- 0.250 inches minimum and 0.270 inches maximum
- Head Height
- 0.102 inches minimum and 0.113 inches maximum
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.164 inches
- Thread Quantity Per Inch
- 32
- Screw Material
- steel comp 1010 or steel comp 1011 or steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1020
- Screw Material Document And Classification
- qq-s-633 fed spec all material responses
- Screw Surface Treatment
- cadmium or zinc
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- i type and 4s style
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-151-2946 | No Name Available | 01/01/1960 |
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| Part Number | Name |
|---|---|
| 10-16482 | Machine Screw |
| 131966 | Machine Screw |
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| 31053S7-8 | Machine Screw |
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| BCFX2AE1 | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-013-1966?
Does the NSN 5305-00-013-1966 have a Schedule B code assigned?
Does NSN 5305-00-013-1966 require demilitarization?
Does NSN 5305-00-013-1966 contain precious materials?
Does NSN 5305-00-013-1966 contain hazardous materials?
When the NSN 5305-00-013-1966 was assigned to the Federal Catalog?
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