5306-01-389-9756
Find complete technical information, availability, and procurement data for: 5306-01-389-9756
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A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.
0.495 inches nominal thread length, right-hand thread direction, double hexagon extended washer head style, 3a thread class, 1.130 inches minimum and 1.150 inches maximum 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.495 inches nominal
- Fastener Length
- 1.130 inches minimum and 1.150 inches maximum
- Head Style
- double hexagon extended washer
- Head Height
- 0.248 inches minimum and 0.268 inches maximum
- Width Between Flats
- 0.3125 inches nominal
- Extended Washer Diameter
- 0.428 inches minimum and 0.448 inches maximum
- Extended Washer Thickness
- 0.040 inches minimum and 0.050 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- Material
- steel comp 321 primary washer
- Material
- steel corrosion resisting fastener
- Material
- steel comp 631 stand-off
- Material Document And Classification
- ams 5510 assn std single material response primary washer
- Material Document And Classification
- ams 5678 assn std single material response stand-off
- Thread Series Designator
- unjf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-01-323-5476 | No Name Available | 06/01/1995 |
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 |
|---|---|
| 1460M71P02 | Machine Bolt |
| 1460M71P04 | Machine Bolt |
FAQs
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