5305-00-257-6242
Find complete technical information, availability, and procurement data for: 5305-00-257-6242
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-257-6242
Item Name Code
16282
Assigment Date
06/22/1973 (53 years ago)
right-hand thread direction, 3a thread class, flat chamfer head style, 1.235 inches minimum and 1.281 inches maximum fastener length, 1.135 inches minimum and 1.281 inches maximum thread length
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
- 1.135 inches minimum and 1.281 inches maximum
- Fastener Length
- 1.235 inches minimum and 1.281 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.735 inches minimum and 0.750 inches maximum
- Head Height
- 0.492 inches minimum and 0.500 inches maximum
- Locking Feature
- patch or pellet or strip threads
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.500 inches
- Width Across Flats
- 0.375 inches minimum and 0.379 inches maximum
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
- Material
- steel 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
- Thread Series Designator
- unf
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 |
|---|---|
| LK21262-68 | Socket Head Cap Screw |
| MS21262-68 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-257-6242?
The FSCG of the NSN 5305-00-257-6242 is 5305
Does the NSN 5305-00-257-6242 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-257-6242 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 5305-00-257-6242 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-257-6242 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 5305-00-257-6242 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Fri, Jun 22, 1973
Professional Distribution
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