5305-01-348-2687

Find complete technical information, availability, and procurement data for: 5305-01-348-2687
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-348-2687

Item Name Code

33044

Assigment Date

11/07/1991 (34 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

3a thread class, flat chamfer head style, 1.495 inches nominal fastener length, 0.531 inches nominal head diameter, 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
Fastener Length: 1.495 inches nominal
Head Style: flat chamfer
Head Diameter: 0.531 inches nominal
Head Height: 0.530 inches nominal
Internal Drive Style: cross recess type 1
Material Accommodated Thickness: 0.094 inches minimum and 0.155 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Special Features: head vertically knurled
Material: aluminum alloy 6061 head
Material: aluminum alloy 6061 stand-off
Material: steel comp 302 fastener
Material: steel comp 301 primary washer
Material: steel comp 302 or steel comp 301 spring
Material Document And Classification: astm a493 assn std single material response or ams 5636 assn std single material response fastener
Material Document And Classification: astm a580 assn std 1st material response or ams 5688 assn std 2nd material response spring
Material Document And Classification: mil-s-5059 mil spec single material response or ams 5517 assn std single material response primary washer
Material Document And Classification: qq-a-225/8 fed spec single material response or ams 4117 assn std single material response head
Material Document And Classification: qq-a-225/8 fed spec single material response or ams 4117 assn std single material response stand-off
Surface Treatment: anodize head
Surface Treatment: anodize stand-off
Surface Treatment: passivate fastener
Surface Treatment: passivate primary washer
Surface Treatment: passivate spring
Surface Treatment Document And Classification: mil-s-8625 mil spec single treatment response head
Surface Treatment Document And Classification: mil-s-8625 mil spec single treatment response stand-off
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response fastener
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response primary washer
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response spring
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
FRB7500P-12F-C-7	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-348-2687?

The FSCG of the NSN 5305-01-348-2687 is 5305

Does the NSN 5305-01-348-2687 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-348-2687 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 5305-01-348-2687 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-348-2687 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 5305-01-348-2687 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Thu, Nov 7, 1991