5305-01-053-1903

Find complete technical information, availability, and procurement data for: 5305-01-053-1903
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-053-1903

Item Name Code

29294

Assigment Date

12/31/1977 (48 years ago)

An item designed to expedite or simplify the connection of two or more electrical conductors without bringing them to a fixed point such as a binding post or terminal. It may have a separate tubular shaped piece of nonmetallic, flexible material designed to be slipped over the crimped first piece to seal the conductor joint through heat sealing.

1.348 inches minimum and 1.378 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 0.488 inches minimum and 0.538 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: 0.488 inches minimum and 0.538 inches maximum
Fastener Length: 1.348 inches minimum and 1.378 inches maximum
Head Style: flat countersunk
Head Diameter: 0.339 inches minimum and 0.381 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Shank Unthreaded Hole Diameter: 0.077 inches minimum and 0.082 inches maximum first hole
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.840 inches minimum and 0.860 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.208 inches minimum and 1.238 inches maximum first hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches threads
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 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
AIC1577	Close Tolerance Screw
GB510BR3-850	Close Tolerance Screw
HR122-3-850	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-053-1903?

The FSCG of the NSN 5305-01-053-1903 is 5305

Does the NSN 5305-01-053-1903 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-053-1903 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 5305-01-053-1903 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-053-1903 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 5305-01-053-1903 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Dec 31, 1977