5305-01-373-8818

Find complete technical information, availability, and procurement data for: 5305-01-373-8818
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-373-8818

Item Name Code

06657

Assigment Date

04/11/1993 (33 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

hexagon head style, 0.250 inches maximum thread length, right-hand thread direction, 0.220 inches minimum and 0.250 inches maximum fastener length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.250 inches maximum
Fastener Length: 0.220 inches minimum and 0.250 inches maximum
Head Style: hexagon
Head Height: 0.049 inches minimum and 0.060 inches maximum
Width Between Flats: 0.181 inches minimum and 0.187 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 80000 pounds per square inch
Screw Material: steel comp 302 or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347
Screw Material Document And Classification: qq-s-763 fed spec all material responses or fed-std66 fed std all material responses
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: astm a380 assn std single treatment response
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
MS51849-11C	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-373-8818?

The FSCG of the NSN 5305-01-373-8818 is 5305

Does the NSN 5305-01-373-8818 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-373-8818 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 5305-01-373-8818 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-373-8818 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 5305-01-373-8818 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sun, Apr 11, 1993