5305-01-660-1352
Find complete technical information, availability, and procurement data for: 5305-01-660-1352
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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.
0.750 inches nominal fastener length, 0.039 inches nominal thread length, round extended washer head style, 3a thread class, right-hand thread direction
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
- 0.039 inches nominal
- Fastener Length
- 0.750 inches nominal
- Head Style
- round extended washer
- Head Diameter
- 0.375 inches nominal
- Head Height
- 0.89 inches minimum and 0.99 inches maximum
- Extended Washer Diameter
- 0.437 inches nominal
- Extended Washer Thickness
- 0.025 inches minimum and 0.030 inches maximum
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- Internal Drive Style
- cruciform ribbed
- Nominal Thread Diameter
- 0.1900 inches
- Grip Length
- 0.735 inches minimum and 0.765 inches maximum
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 2170 pounds per square inch
- Surface Finish
- 32.0 microinches threads
- Part Name Assigned By Controlling Agency
- screw, washer head, close tolerance, long thread, 95 ksi fsu
- Material
- steel comp 4340 and steel comp 8740 overall
- Material Document And Classification
- ams6415 assn std 1st material response and mil-s-6049 mil spec 2nd material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 2 fed spec single treatment response overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 97499-120-225 manufacturers 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 |
|---|---|
| 120-225-3R19 | Close Tolerance Screw |
FAQs
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