SK251-25
View detailed technical data, stock status, and sourcing information for: SK251-25
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5325 Fastening Devices
National Stock Number
5325-00-281-6625
Item Name Code
07623
Assigment Date
01/01/1961 (65 years ago)
1.609 inches nominal inside diameter, not casehardened casehardening indicator, 1.859 inches nominal outside diameter, 0.093 inches minimum and 0.097 inches maximum major thickness, rectangular cross-sectional shape style
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Cross-Sectional Shape Style
- rectangular
- Inside Diameter
- 1.609 inches nominal
- Casehardening Indicator
- not casehardened
- Outside Diameter
- 1.859 inches nominal
- Major Thickness
- 0.093 inches minimum and 0.097 inches maximum
- End Style
- vertex center or above
- Ring Style
- straight gap
- Usage Design
- external
- Material Hardness Rating
- 43.0 rockwell c minimum and 48.0 rockwell c maximum
- Material
- steel comp 1065
- Material Document And Classification
- astm a576 fs1065 assn std single material response
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 2520-00-164-0979 | No Name Available | 01/01/1963 |
| 5340-00-164-2134 | No Name Available | 01/01/1963 |
Related Parts
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FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5325-00-281-6625?
The FSCG of the NSN 5325-00-281-6625 is 5325
Does the NSN 5325-00-281-6625 have a Schedule B code assigned?
Yes, the Schedule B code is 9606100000
Does NSN 5325-00-281-6625 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5325-00-281-6625 contain precious materials?
Precious metal content is unknown
Does NSN 5325-00-281-6625 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5325-00-281-6625 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961
Professional Distribution
Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- AS9120 Quality Standards
- 100% Quality Inspections
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