5305-01-187-1890

Find complete technical information, availability, and procurement data for: 5305-01-187-1890
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 5305-01-187-1890 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-187-1890

Item Name Code

01852

Assigment Date

08/21/1984 (42 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also bolt, externally relieved body and bolt, internal wrenching.

right-hand thread direction, flat countersunk head style, 0.120 inches nominal thread length, 3a thread class, 0.310 inches nominal fastener length

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: 0.120 inches nominal
Fastener Length: 0.310 inches nominal
Head Style: flat countersunk
Head Diameter: 0.190 inches nominal
First Diameter From Head: 0.085 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.190 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Countersink Angle: 82.0 degrees nominal
Externally Relieved Body Diameter Quantity: 1
Material: steel corrosion resisting overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072 mil spec single treatment 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
882281-53	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-187-1890?

The FSCG of the NSN 5305-01-187-1890 is 5305

Does the NSN 5305-01-187-1890 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-187-1890 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 5305-01-187-1890 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-187-1890 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 5305-01-187-1890 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Aug 21, 1984