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257686PC1

View detailed technical data, stock status, and sourcing information for: 257686PC1

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257686PC1
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-380-1604
Item Name Code
06657
Assigment Date
01/01/1963 (63 years ago)

right-hand thread direction, 1.500 inches nominal fastener length, 2a thread class, hexagon head style, 1.000 inches minimum and 1.187 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
1.000 inches minimum and 1.187 inches maximum
Fastener Length
1.500 inches nominal
Head Style
hexagon
Head Height
0.226 inches minimum and 0.243 inches maximum
Width Between Flats
0.551 inches minimum and 0.562 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.375 inches
Thread Quantity Per Inch
16
Minimum Tensile Strength
80000 pounds per square inch
Screw Material
steel comp 303 or steel comp 304
Screw Surface Treatment
passivate
Thread Series Designator
unc
Departure From Cited Designator
as modified by internal drive style and location and head h3le configuration

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
165965PC6 Machine Screw
257686PC1 Machine Screw
441815PC3 Machine Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-380-1604?
The FSCG of the NSN 5305-00-380-1604 is 5305
Does the NSN 5305-00-380-1604 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-380-1604 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 5305-00-380-1604 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-380-1604 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 5305-00-380-1604 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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