5305-00-273-5253
Find complete technical information, availability, and procurement data for: 5305-00-273-5253
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-273-5253
Item Name Code
16282
Assigment Date
01/01/1963 (63 years ago)
1.250 inches nominal fastener length, 1.250 inches minimum thread length, 3a thread class, right-hand thread direction, flat chamfer 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 1.250 inches minimum
- Fastener Length
- 1.250 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.457 inches minimum and 0.469 inches maximum
- Head Height
- 0.306 inches minimum and 0.312 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.312 inches
- Width Across Flats
- 0.250 inches minimum and 0.253 inches maximum
- Thread Quantity Per Inch
- 18
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
- Minimum Yield Strength
- 130000 pounds per square inch
- Material
- steel overall
- Material Document And Classification
- 66 fed std single material response overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 6 type
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-013-8223 | No Name Available | 01/01/1963 |
| 5305-00-434-1117 | No Name Available | 06/13/1973 |
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 |
|---|---|
| MS35455-52 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-273-5253?
The FSCG of the NSN 5305-00-273-5253 is 5305
Does the NSN 5305-00-273-5253 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-273-5253 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 5305-00-273-5253 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-273-5253 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 5305-00-273-5253 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
Professional Distribution
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