5320-01-434-3787
Find complete technical information, availability, and procurement data for: 5320-01-434-3787
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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.
right-hand thread direction, 3a thread class, flush countersunk head style, 1.4125 inches minimum and 1.4375 inches maximum fastener length, pin-rivet, tapered, threaded shank style
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
- Fastener Length
- 1.4125 inches minimum and 1.4375 inches maximum
- Head Style
- flush countersunk
- Shank Style
- pin-rivet, tapered, threaded
- Head Major Diameter
- 0.888 inches minimum and 0.971 inches maximum
- Lubrication
- cetyl alcohol
- Grip Length
- 0.9275 inches minimum and 0.9425 inches maximum
- Nominal Thread Size
- 0.4375 inches
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- steel comp 8740 or steel comp 4340 overall
- Material Document And Classification
- mil-s-6049 mil spec 1st material response or mil-s-5000 mil spec 2nd material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416, ty2, cl3 fed spec single treatment response overall
- Thread Series Designator
- unjf
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 |
|---|---|
| BACB30PD7-15Z | Pin-Rivet |
FAQs
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