5305-01-277-6408
Find complete technical information, availability, and procurement data for: 5305-01-277-6408
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-277-6408
Item Name Code
18257
Assigment Date
04/25/1988 (38 years ago)
hexagon head style, 1.688 inches minimum and 1.750 inches maximum fastener length, 2a thread class, right-hand thread direction, 0.750 inches minimum and 0.938 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.750 inches minimum and 0.938 inches maximum
- Fastener Length
- 1.688 inches minimum and 1.750 inches maximum
- Head Style
- hexagon
- Head Height
- 0.150 inches minimum and 0.163 inches maximum
- Width Between Flats
- 0.428 inches minimum and 0.438 inches maximum
- Hole Diameter
- 0.0605 inches minimum and 0.0685 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Hole Quantity
- 1
- Hole Type
- drilled
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 150000 pounds per square inch
- Hardness Rating
- 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
- Hole Configuration Style
- hexagon flats
- Surface Finish
- 63.0 microinches threads
- Material
- steel overall
- Material Document And Classification
- saej429 grade 8 assn std single material response overall
- Surface Treatment
- zinc and chromate overall
- Surface Treatment Document And Classification
- astm b633 ty 2 sc 3 assn std single treatment response overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 2 type and 10p style and 8 grade
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 |
|---|---|
| MS18154-11 | Hexagon Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-277-6408?
The FSCG of the NSN 5305-01-277-6408 is 5305
Does the NSN 5305-01-277-6408 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-277-6408 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 5305-01-277-6408 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-277-6408 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 5305-01-277-6408 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Mon, Apr 25, 1988
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