5305-00-281-8526
Find complete technical information, availability, and procurement data for: 5305-00-281-8526
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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.
0.344 inches minimum and 0.406 inches maximum fastener length, right-hand thread direction, round extended washer head style, 0.235 inches minimum and 0.390 inches maximum thread length, 3a thread class
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
- 0.235 inches minimum and 0.390 inches maximum
- Fastener Length
- 0.344 inches minimum and 0.406 inches maximum
- Head Style
- round extended washer
- Head Diameter
- 0.302 inches minimum and 0.322 inches maximum
- Head Height
- 0.082 inches minimum and 0.092 inches maximum
- Extended Washer Diameter
- 0.365 inches minimum and 0.385 inches maximum
- Extended Washer Thickness
- 0.023 inches minimum and 0.028 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.164 inches
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 125000 pounds per square inch
- Screw Material
- steel comp 8630 or steel comp 4037
- Screw Material Document And Classification
- mil-s-6050 mil spec 1st material response or ams 6300 assn std 2nd material response
- Screw Surface Treatment
- cadmium or zinc
- Screw Surface Treatment Document And Classification
- qq-p-416 fed spec 1st treatment response or qq-z-325 fed spec 2nd 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-00-274-0500 | No Name Available | 01/01/1961 |
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 |
|---|---|
| AN525-832R6 | Machine Screw |
FAQs
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Does NSN 5305-00-281-8526 require demilitarization?
Does NSN 5305-00-281-8526 contain precious materials?
Does NSN 5305-00-281-8526 contain hazardous materials?
When the NSN 5305-00-281-8526 was assigned to the Federal Catalog?
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