5305-01-255-9409

Find complete technical information, availability, and procurement data for: 5305-01-255-9409
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-255-9409

Item Name Code

33044

Assigment Date

05/30/1987 (39 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

0.193 inches nominal head height, 2.140 inches nominal fastener length, right-hand thread direction, hexagon head style, 32 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: 32
Thread Direction: right-hand
Fastener Length: 2.140 inches nominal
Head Style: hexagon
Head Height: 0.193 inches nominal
Width Between Flats: 0.375 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Special Features: furnish with stop nut a-286 cres per ams 5731,passivate per qq-p-35,140000 p.s.i. min ams5529; coil spring 18-8 type 302 cres per astm a580,passivate; spring cup 18-8 type 300 cres per astm-a-555,astm-a-581 ams 5640; disc s=pring 17-7 ph cres per ams 5529,240000 p.s.i. min per ams 5529,passivate; also contains self-locking slug round per mil-f-18240
Material: iron alloy 660 fastener
Material: steel comp 301 or steel comp 302 or steel comp 304 or steel comp 316 or steel comp 303 plus x or steel comp 303se or steel comp 303pb stand-off
Material: steel comp 301 or steel comp 302 or steel comp 304 or steel comp 316 primary washer
Material Document And Classification: ams 5731 assn std single material response fastener
Material Document And Classification: mil-s-5059 mil spec single material response primary washer
Surface Treatment: cadmium fastener
Surface Treatment: passivate primary washer
Surface Treatment: passivate stand-off
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response primary washer
Surface Treatment Document And Classification: qq-p-416 ty 1 cl 2 fed spec single treatment response fastener
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
CA28121-08	Panel Screw Assembly
CA28121-8	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-255-9409?

The FSCG of the NSN 5305-01-255-9409 is 5305

Does the NSN 5305-01-255-9409 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-255-9409 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 5305-01-255-9409 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-255-9409 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 5305-01-255-9409 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, May 30, 1987