166925-02

View detailed technical data, stock status, and sourcing information for: 166925-02
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 part 166925-02 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

5305-01-251-0783

Item Name Code

33044

Assigment Date

03/12/1987 (39 years ago)

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

0.240 inches nominal head height, 3a thread class, 1.865 inches nominal fastener length, 0.360 inches minimum and 0.390 inches maximum thread length, right-hand thread direction

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: 0.360 inches minimum and 0.390 inches maximum
Fastener Length: 1.865 inches nominal
Head Height: 0.240 inches nominal
Width Between Flats: 0.370 inches nominal
Extended Washer Diameter: 0.440 inches nominal
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Material: steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303 plus x or steel comp 303se or steel comp 303cu or steel comp 303ma or steel comp 304 or steel comp 304l overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed 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
166925-02	Panel Screw Assembly
CA2929-14	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-251-0783?

The FSCG of the NSN 5305-01-251-0783 is 5305

Does the NSN 5305-01-251-0783 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-251-0783 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 5305-01-251-0783 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-251-0783 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 5305-01-251-0783 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Mar 12, 1987