101-221S
View detailed technical data, stock status, and sourcing information for: 101-221S
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A screw, (as modified) to which has been assembled one or more nonremovable washer(s).
2a thread class, 0.625 inches nominal fastener length, right-hand thread direction, 0.563 inches maximum thread length, fillister head 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.563 inches maximum
- Fastener Length
- 0.625 inches nominal
- Head Style
- fillister
- Head Diameter
- 0.250 inches minimum and 0.270 inches maximum
- Head Height
- 0.102 inches minimum and 0.113 inches maximum
- Washer Quantity
- 1
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.164 inches
- Thread Quantity Per Inch
- 32
- Hardness Rating
- 45.0 rockwell c minimum and 53.0 rockwell c maximum primary washer
- Primary Washer Outside Diameter
- 0.243 inches minimum and 0.257 inches maximum
- Primary Washer Style
- split helical ring
- Primary Washer Material Thickness
- 0.031 inches nominal
- Surface Treatment
- cadmium or zinc and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 1,class 3 fed spec 1st treatment response and qq-z-325,type 2,class 3 fed spec 2nd treatment response overall
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-428-7032 | No Name Available | 08/12/2005 |
| 5305-00-737-2527 | No Name Available | 11/20/1970 |
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FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-285-5268?
Does NSN 5305-00-285-5268 require demilitarization?
Does NSN 5305-00-285-5268 contain precious materials?
Does NSN 5305-00-285-5268 contain hazardous materials?
When the NSN 5305-00-285-5268 was assigned to the Federal Catalog?
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Pricing
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