5305-01-266-8397

Find complete technical information, availability, and procurement data for: 5305-01-266-8397
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-266-8397

Item Name Code

29294

Assigment Date

10/31/1987 (38 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

0.313 inches minimum and 0.363 inches maximum thread length, 1.011 inches minimum and 1.041 inches maximum fastener length, flat countersunk head style, 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: 0.313 inches minimum and 0.363 inches maximum
Fastener Length: 1.011 inches minimum and 1.041 inches maximum
Head Style: flat countersunk
Head Diameter: 0.339 inches minimum and 0.381 inches maximum
Grip Diameter: 0.3145 inches minimum and 0.3147 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.678 inches minimum and 0.698 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel comp 8740 overall
Material Document And Classification: mil-s-6049 mil spec single material response overall
Thread Series Designator: unjf

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:

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HT4054-3-11A	Close Tolerance Screw
HTH054-3-11A	Close Tolerance Screw
ST3M730-31	Close Tolerance Screw
ST3M730-3L11	Close Tolerance Screw
WC4054-3-11A	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-266-8397?

The FSCG of the NSN 5305-01-266-8397 is 5305

Does the NSN 5305-01-266-8397 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-266-8397 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 5305-01-266-8397 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-266-8397 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 5305-01-266-8397 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Oct 31, 1987