21835 FIND 37
View detailed technical data, stock status, and sourcing information for: 21835 FIND 37
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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.
bevel-conical head style, 3a thread class, right-hand thread direction, 0.781 inches nominal thread length, 1.000 inches nominal 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
- 0.781 inches nominal
- Fastener Length
- 1.000 inches nominal
- Head Style
- bevel-conical
- Head Diameter
- 0.521 inches minimum and 0.531 inches maximum
- Head Height
- 0.312 inches nominal
- Hole Diameter
- 0.055 inches minimum and 0.060 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.312 inches
- Width Across Flats
- 0.219 inches minimum and 0.221 inches maximum
- Hole Quantity
- 6
- Hole Type
- drilled
- Thread Quantity Per Inch
- 24
- Hole Configuration Style
- round internal hexagon
- Material
- steel comp 4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp e4340 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2 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 |
|---|---|
| 02-0067-5-16 | Internal Wrenching Bolt |
| 21218-37 | Internal Wrenching Bolt |
| 21805-78062 FIND 26 | Internal Wrenching Bolt |
| 21835 FIND 37 | Internal Wrenching Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-01-431-3120?
Does the NSN 5306-01-431-3120 have a Schedule B code assigned?
Does NSN 5306-01-431-3120 require demilitarization?
Does NSN 5306-01-431-3120 contain precious materials?
Does NSN 5306-01-431-3120 contain hazardous materials?
When the NSN 5306-01-431-3120 was assigned to the Federal Catalog?
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