266678

View detailed technical data, stock status, and sourcing information for: 266678

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266678
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-164-3573
Item Name Code
06672
Assigment Date
01/01/1963 (63 years ago)

1.172 inches maximum thread length, 1.452 inches minimum and 1.466 inches maximum fastener length, 3a thread class, right-hand thread direction, fillister 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
1.172 inches maximum
Fastener Length
1.452 inches minimum and 1.466 inches maximum
Head Style
fillister
Head Diameter
0.670 inches minimum and 0.710 inches maximum
Head Height
0.214 inches minimum and 0.218 inches maximum
Point Length
0.120 inches nominal
Point Diameter
0.340 inches minimum and 0.350 inches maximum
Point Style
chamfer dog
Internal Drive Style
slot
Nominal Thread Diameter
0.438 inches
Features Provided
casehardened
Thread Quantity Per Inch
20
Point Chamfer Angle
45.0 degrees nominal
Material
steel comp 1018 or steel comp 1020 or steel comp 1021 overall
Thread Series Designator
unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2530-00-507-8459 No Name Available 01/01/1963
2530-00-737-6973 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
07-851770 Setscrew
266678 Setscrew
326K425 Setscrew
58884 Setscrew
851770 Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-164-3573?
The FSCG of the NSN 5305-00-164-3573 is 5305
Does the NSN 5305-00-164-3573 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-164-3573 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 5305-00-164-3573 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-164-3573 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 5305-00-164-3573 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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