5305-01-344-2056

Find complete technical information, availability, and procurement data for: 5305-01-344-2056
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-344-2056

Item Name Code

06672

Assigment Date

08/24/1991 (34 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

1.954 inches minimum and 1.984 inches maximum fastener length, 1.854 inches nominal thread length, right-hand thread direction, 2a thread class, square head style

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: 1.854 inches nominal
Fastener Length: 1.954 inches minimum and 1.984 inches maximum
Head Style: square
Head Height: 0.178 inches minimum and 0.196 inches maximum
Width Between Flats: 0.241 inches minimum and 0.250 inches maximum
Point Style: half dog
Internal Drive Style: w/o internal drive
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Hardness Rating: 45.0 rockwell c minimum overall
Color: black overall
Material: steel overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: ams 2485 assn std single treatment response or mil-c-13924 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
05456-4C-32B	Setscrew
90-8100-28481	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-344-2056?

The FSCG of the NSN 5305-01-344-2056 is 5305

Does the NSN 5305-01-344-2056 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-344-2056 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 5305-01-344-2056 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-344-2056 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 5305-01-344-2056 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Sat, Aug 24, 1991