331C201A0256D05
View detailed technical data, stock status, and sourcing information for: 331C201A0256D05
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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.
2a thread class, pan head style, 0.312 inches minimum fastener length, right-hand thread direction, 0.312 inches nominal thread 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
- 0.312 inches nominal
- Fastener Length
- 0.312 inches minimum
- Head Style
- pan
- Head Diameter
- 0.155 inches minimum and 0.167 inches maximum
- Head Height
- 0.053 inches minimum and 0.062 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.086 inches
- Thread Quantity Per Inch
- 56
- Minimum Tensile Strength
- 60000 pounds per square inch
- Screw Material
- steel
- Screw Material Document And Classification
- qq-s-633 fed spec single material response
- Screw Surface Treatment
- cadmium and chromate
- Screw Surface Treatment Document And Classification
- qq-p-416 ty 2 cl 3 fed spec single treatment response
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-080-3195 | No Name Available | 11/20/1968 |
| 5305-00-285-4579 | No Name Available | 05/17/2001 |
| 5305-00-613-7770 | No Name Available | 04/01/1976 |
| 5305-00-845-1870 | No Name Available | 09/08/1967 |
| 5305-00-847-3569 | No Name Available | 01/27/1967 |
| 5305-00-975-7304 | No Name Available | 09/01/1982 |
| 5305-00-993-5710 | No Name Available | 07/12/1968 |
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| 10114783 | Machine Screw |
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| 19003ADX | Machine Screw |
| 2-56NC-2AX5-16 SLTD BGDH STL | Machine Screw |
| 331C201A0256D05 | Machine Screw |
| 421552 | Machine Screw |
| 5305PL0759495 | Machine Screw |
| 858388 | Machine Screw |
| 946119-2205 | Machine Screw |
| MS35206-204 | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-988-1167?
Does the NSN 5305-00-988-1167 have a Schedule B code assigned?
Does NSN 5305-00-988-1167 require demilitarization?
Does NSN 5305-00-988-1167 contain precious materials?
Does NSN 5305-00-988-1167 contain hazardous materials?
When the NSN 5305-00-988-1167 was assigned to the Federal Catalog?
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