5305-01-084-8275

Find complete technical information, availability, and procurement data for: 5305-01-084-8275
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-084-8275

Item Name Code

29294

Assigment Date

10/25/1979 (46 years ago)

An insulator designed to fit into and reduce the effective diameter of the hole(s). It may include mounting and/or conducting hardware. For flexible bushing-type insulators that are self-retaining and consist of two facing flanges separated by a neck, see grommet, nonmetallic. Also see spacer, sleeve and bushing, sleeve. Excludes:insulation sleeving, electrical.

right-hand thread direction, flat countersunk head style, 0.527 inches minimum and 0.574 inches maximum fastener length, 0.267 inches minimum and 0.334 inches maximum thread length, 3a thread class

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: 0.267 inches minimum and 0.334 inches maximum
Fastener Length: 0.527 inches minimum and 0.574 inches maximum
Head Style: flat countersunk
Head Diameter: 0.447 inches minimum and 0.507 inches maximum
Grip Diameter: 0.2483 inches minimum and 0.2492 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.240 inches minimum and 0.260 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches grip
Material: steel comp h11 overall
Material Document And Classification: ams 6487 assn std single material response overall
Surface Treatment: cadmium or cadmium and chromate overall
Surface Treatment Document And Classification: nas 672 assn std 1st treatment response or mil-c-8837,ty 2 cl 2 mil spec 2nd treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 26512-gb510n manufacturers specification control

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
BM19045-4A4	Close Tolerance Screw
GB510N4A4	Close Tolerance Screw
HT326-4A4	Close Tolerance Screw
HT8181F4-4	Close Tolerance Screw
SFH22D4A4	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-084-8275?

The FSCG of the NSN 5305-01-084-8275 is 5305

Does the NSN 5305-01-084-8275 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-084-8275 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 5305-01-084-8275 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-084-8275 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 5305-01-084-8275 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Thu, Oct 25, 1979