5305-01-308-0172

Find complete technical information, availability, and procurement data for: 5305-01-308-0172
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-308-0172

Item Name Code

33044

Assigment Date

09/21/1989 (36 years ago)

A hardened, externally-threaded fastener with a self-drilling point. It drills, taps and fastens and may have a machine screw thread or a nonmachine screw thread. The threads usually extend from behind the pilot to the bearing surface of the head.

0.400 inches nominal thread length, 1.200 inches nominal fastener length, hexagon head style, right-hand thread direction, 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: 0.400 inches nominal
Fastener Length: 1.200 inches nominal
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.190 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Internal Drive Style: w/o internal drive
Material Accommodated Thickness: 0.501 inches minimum and 0.562 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum fastener
Special Features: washer under head; thickness 0.015 in. min 0.035 in. max
Color: black fastener
Color: black stand-off
Material: steel comp 630 fastener
Material: steel comp xm-7 or steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 stand-off
Material Document And Classification: ams 5643 assn std single material response fastener
Material Document And Classification: astm a493 assn std all material responses stand-off
Surface Treatment: oxide stand-off
Surface Treatment: oxide fastener
Surface Treatment Document And Classification: mil-c-13924 cl 2 mil spec single treatment response fastener
Surface Treatment Document And Classification: mil-c-13924 cl 2 mil spec single treatment response stand-off
Thread Series Designator: unjf

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
8002593-2	Panel Screw Assembly
CS1204-2	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-308-0172?

The FSCG of the NSN 5305-01-308-0172 is 5305

Does the NSN 5305-01-308-0172 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-308-0172 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 5305-01-308-0172 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-308-0172 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 5305-01-308-0172 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, Sep 21, 1989