5305-01-377-3253

Find complete technical information, availability, and procurement data for: 5305-01-377-3253
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-377-3253

Item Name Code

16282

Assigment Date

07/14/1993 (33 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

flat chamfer head style, 0.620 inches nominal fastener length, right-hand thread direction, 0.520 inches minimum and 0.620 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: 0.520 inches minimum and 0.620 inches maximum
Fastener Length: 0.620 inches nominal
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Locking Feature: pellet locking feature
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.250 inches minimum and 0.253 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 80000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 45.0 rockwell c maximum overall
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281 fed spec single material response overall
Thread Series Designator: unc

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
5361662 ITEM 21	Socket Head Cap Screw
5361662-21	Socket Head Cap Screw
MIL-F-18240 TYN 1/4-20UNC-3A	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-377-3253?

The FSCG of the NSN 5305-01-377-3253 is 5305

Does the NSN 5305-01-377-3253 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-377-3253 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 5305-01-377-3253 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-377-3253 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 5305-01-377-3253 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Wed, Jul 14, 1993