5305-01-345-4957

Find complete technical information, availability, and procurement data for: 5305-01-345-4957
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-345-4957

Item Name Code

06673

Assigment Date

09/20/1991 (34 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:undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

knurled no. 1 head style, 2a thread class, right-hand thread direction, 0.750 inches nominal fastener length, 0.625 inches nominal thread 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: 2a
Thread Direction: right-hand
Thread Length: 0.625 inches nominal
Fastener Length: 0.750 inches nominal
Head Style: knurled no. 1
Head Diameter: 1.000 inches nominal
Head Height: 0.312 inches nominal
Point Style: half dog
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Color: black overall
Material: steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385 overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: 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
CL-23507	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-01-345-4957?

The FSCG of the NSN 5305-01-345-4957 is 5305

Does the NSN 5305-01-345-4957 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-345-4957 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 5305-01-345-4957 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-345-4957 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 5305-01-345-4957 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Fri, Sep 20, 1991