Spring Tension Washer
A551-90630
(NSN) National Stock Number
5310-00-213-9272
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
15938
Schedule B Code
7318210000
Summary
0.261 inches minimum and 0.267 inches maximum hole diameter, 0.551 inches minimum and 0.571 inches maximum outside diameter, 0.053 inches nominal overall height, 0.028 inches nominal material thickness, 43.0 rockwell c minimum and 45.0 rockwell c maximum hardness rating, steel comp 1075 overall material
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | SB |
Identification
A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 15938 | A022B0 | 1 | 1 |
Specifications
Hole Diameter
0.261 inches minimum and 0.267 inches maximum
Details
The length of a straight line which passes through the center of a hole,and terminates at the circumference.Outside Diameter
0.551 inches minimum and 0.571 inches maximum
Details
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.Overall Height
0.053 inches nominal
Details
The distance measured in a straight line from the bottom to the top of an item.Material Thickness
0.028 inches nominal
Details
A measurement of the smallest dimension of the material,in distinction from length or width.Hardness Rating
43.0 rockwell c minimum and 45.0 rockwell c maximum
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Material
steel comp 1075 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Style Designator
spring tension
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 55210 | - | U | U |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | Z |
Certified Supplier
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Manufacturer
FAQs
Frequently asked questions for NSN 5310-00-213-9272
What is the NIIN of the NSN 5310-00-213-9272?
The National Item Identification Number (NIIN) of the NSN 5310-00-213-9272 is 00-213-9272
When the NSN 5310-00-213-9272 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Fri, Apr 20, 1973
Does the NSN 5310-00-213-9272 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-213-9272 contain any hazardous material?
No data in HMIRS
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