5305-01-396-3931
Find complete technical information, availability, and procurement data for: 5305-01-396-3931
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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.
flat countersunk head style, right-hand thread direction, 1.173 inches minimum and 1.203 inches maximum fastener length, 0.438 inches nominal thread length, 2a 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.438 inches nominal
- Fastener Length
- 1.173 inches minimum and 1.203 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.429 inches minimum and 0.477 inches maximum
- Grip Diameter
- 0.3110 inches minimum and 0.3120 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.740 inches minimum and 0.760 inches maximum
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Part Name Assigned By Controlling Agency
- navy special project
- Material Document And Classification
- ams 5731 assn std single material response or ams 5737 assn std single material response overall
- Surface Treatment Document And Classification
- qq-p-416 ty2 cl2 fed spec single treatment response overall
- Specification/Standard Data
- 80205-nas8705 professional/industrial association standard
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 |
|---|---|
| NAS8705-12 | Close Tolerance Screw |
FAQs
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