4179100-31
View detailed technical data, stock status, and sourcing information for: 4179100-31
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-639-4338
Item Name Code
06672
Assigment Date
01/01/1963 (63 years ago)
0.250 inches minimum thread length, cup point style, 0.250 inches nominal fastener length, 3a thread class, right-hand thread direction
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
- 0.250 inches minimum
- Fastener Length
- 0.250 inches nominal
- Point Style
- cup
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.112 inches
- Width Across Flats
- 0.050 inches minimum and 0.051 inches maximum
- Thread Quantity Per Inch
- 40
- Hardness Rating
- 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
- Material
- steel comp 4037 or steel comp 4137 or steel comp 8630 or steel comp 8740 overall
- Material Document And Classification
- sae assn std all material responses overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 fed spec all treatment responses 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-00-285-3171 | No Name Available | 07/01/1966 |
| 5305-00-638-5653 | No Name Available | 01/01/1963 |
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 |
|---|---|
| 4179100-31 | Setscrew |
| 7203630P003 | Setscrew |
| AN565D4H4 | Setscrew |
| N70P00904C11 | Setscrew |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-639-4338?
The FSCG of the NSN 5305-00-639-4338 is 5305
Does the NSN 5305-00-639-4338 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-639-4338 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 5305-00-639-4338 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-639-4338 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 5305-00-639-4338 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
Professional Distribution
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Pricing
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