21342 FIND 46
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A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.
0.396 inches minimum and 0.406 inches maximum recess diameter, 0.315 inches minimum and 0.324 inches maximum hole diameter, 89.0 degrees minimum and 91.0 degrees maximum recess angle, 0.583 inches minimum and 0.603 inches maximum outside diameter, 0.068 inches minimum and 0.088 inches maximum material thickness
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Hole Diameter
- 0.315 inches minimum and 0.324 inches maximum
- Outside Diameter
- 0.583 inches minimum and 0.603 inches maximum
- Recess Diameter
- 0.396 inches minimum and 0.406 inches maximum
- Material Thickness
- 0.068 inches minimum and 0.088 inches maximum
- Recess Angle
- 89.0 degrees minimum and 91.0 degrees maximum
- Material
- steel comp 1330 or steel comp 4130 overall
- Material Document And Classification
- 66 fed std all material responses overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 3 fed spec single treatment response overall
- Style Designator
- recessed
- Specification/Standard Data
- 80205-nas143 professional/industrial association standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-149-9145 | No Name Available | 01/01/1963 |
| 5310-00-593-3059 | No Name Available | 11/01/1978 |
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 |
|---|---|
| 21073 FIND 29 | Recessed Washer |
| 21170-49 | Recessed Washer |
| 21260-30 | Recessed Washer |
| 21317 FIND 42 | Recessed Washer |
| 21331 FIND 29 | Recessed Washer |
| 21340 FIND 34 | Recessed Washer |
| 21342 FIND 46 | Recessed Washer |
| 21816-001 FIND 38 | Recessed Washer |
| 21817 FIND 32 | Recessed Washer |
| 21820 FIND 39 | Recessed Washer |
| 21835 FIND 49 | Recessed Washer |
| 21837 FIND 43 | Recessed Washer |
| 52122 FIND 53 | Recessed Washer |
| 5310005957078 | Recessed Washer |
| 5310PL0724754 | Recessed Washer |
| 809085-00 | Recessed Washer |
| 8147985 | Recessed Washer |
| 938.75.11.102 | Recessed Washer |
| MS20002C5 | Recessed Washer |
| NAS143-5C | Recessed Washer |
| NASM20002-C5 | Recessed Washer |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-595-7078?
Does the NSN 5310-00-595-7078 have a Schedule B code assigned?
Does NSN 5310-00-595-7078 require demilitarization?
Does NSN 5310-00-595-7078 contain precious materials?
Does NSN 5310-00-595-7078 contain hazardous materials?
When the NSN 5310-00-595-7078 was assigned to the Federal Catalog?
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