5305-01-253-9802

Find complete technical information, availability, and procurement data for: 5305-01-253-9802
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-253-9802

Item Name Code

01852

Assigment Date

04/29/1987 (39 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.

right-hand thread direction, flat chamfer head style, 0.906 inches nominal fastener length, 0.350 inches nominal 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: 0.350 inches nominal
Fastener Length: 0.906 inches nominal
Head Style: flat chamfer
Head Diameter: 0.296 inches nominal
Head Height: 0.368 inches nominal
First Diameter From Head: 0.136 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.556 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches minimum and 0.158 inches maximum
Thread Quantity Per Inch: 32
Externally Relieved Body Diameter Quantity: 2
Material: steel comp 310 overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: mil-c-13924 mil spec single treatment response overall
Thread Series Designator: unf

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
10371610	Externally Relieved Body Screw
1314-6	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-253-9802?

The FSCG of the NSN 5305-01-253-9802 is 5305

Does the NSN 5305-01-253-9802 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-253-9802 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 5305-01-253-9802 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-253-9802 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 5305-01-253-9802 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Apr 29, 1987