5305-01-161-4013

Find complete technical information, availability, and procurement data for: 5305-01-161-4013
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-161-4013

Item Name Code

33044

Assigment Date

09/05/1983 (42 years ago)

A nut, flat on top and bottom, having four flat sides of which two parallel sides are shorter than the other two. For items having a thickness (or height) exceeding two times the width, use post, electrical-mechanical equipment. (when height or thickness and/or width is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

flat chamfer head style, hexagon internal drive style, right-hand thread direction, 0.275 inches nominal thread length, 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: 0.275 inches nominal
Head Style: flat chamfer
Internal Drive Style: hexagon
Material Accommodated Thickness: 0.210 inches nominal
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.1875 inches minimum and 0.1900 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Material: iron alloy 660 fastener
Material Document And Classification: ams 5732 assn std single material response fastener
Material Document And Classification: qq-s-766 fed spec single material response stand-off
Material Document And Classification: qq-w-423 cond b fed spec single material response spring
Surface Treatment: passivate fastener
Surface Treatment: passivate stand-off
Surface Treatment: passivate spring
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 stand-off
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
3461266	Panel Screw Assembly
FT1087-12-5-3	Panel Screw Assembly
HLU 7900-12-E-3	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-161-4013?

The FSCG of the NSN 5305-01-161-4013 is 5305

Does the NSN 5305-01-161-4013 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-161-4013 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 5305-01-161-4013 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-161-4013 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 5305-01-161-4013 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Sep 5, 1983