5305-01-040-7956

Find complete technical information, availability, and procurement data for: 5305-01-040-7956
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-040-7956

Item Name Code

29294

Assigment Date

05/15/1977 (49 years ago)

flat countersunk head style, 0.553 inches minimum and 0.603 inches maximum thread length, 4.063 inches minimum and 4.093 inches maximum fastener length, 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: 0.553 inches minimum and 0.603 inches maximum
Fastener Length: 4.063 inches minimum and 4.093 inches maximum
Head Style: flat countersunk
Head Diameter: 0.691 inches minimum and 0.765 inches maximum
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.375 inches
Grip Length: 3.490 inches minimum and 3.510 inches maximum
Thread Quantity Per Inch: 24
Countersink Angle: 100.0 degrees nominal
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp e4340 or steel comp 4340 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment 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:

Part Number	Name
BACB30LU6-56	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-040-7956?

The FSCG of the NSN 5305-01-040-7956 is 5305

Does the NSN 5305-01-040-7956 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-040-7956 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 5305-01-040-7956 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-040-7956 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 5305-01-040-7956 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, May 15, 1977