5305-00-003-9478

Find complete technical information, availability, and procurement data for: 5305-00-003-9478
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-003-9478

Item Name Code

33044

Assigment Date

05/21/1972 (54 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.

0.317 inches minimum and 0.357 inches maximum fastener length, right-hand thread direction, 3a thread class, 0.287 inches minimum thread length, flat chamfer head style

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: 0.287 inches minimum
Fastener Length: 0.317 inches minimum and 0.357 inches maximum
Head Style: flat chamfer
Head Diameter: 0.420 inches nominal
Head Height: 0.290 inches nominal
Internal Drive Style: slot
Material Accommodated Thickness: 0.020 inches minimum and 0.031 inches maximum
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Special Features: head vertically knurled
Material: aluminum alloy 6061 head
Material: aluminum alloy 6061 stand-off
Material: steel comp 302 spring
Material: steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 321 or steel comp 347 or steel comp 384 or steel comp 385 fastener
Material Document And Classification: astm a493 assn std all material responses fastener
Material Document And Classification: qq-a-225/8 temper t6 fed spec single material response head
Material Document And Classification: qq-a-225/8 temper t6 fed spec single material response stand-off
Material Document And Classification: qq-w-423 cond b fed spec single material response spring
Surface Treatment: anodize head
Surface Treatment: anodize stand-off
Surface Treatment: passivate fastener
Surface Treatment: passivate spring
Surface Treatment Document And Classification: mil-a-8625 ty 1 cl 1 mil spec single treatment response head
Surface Treatment Document And Classification: mil-a-8625 ty 1 cl 1 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 spring
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
B320001762	Panel Screw Assembly
F75008A1	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-00-003-9478?

The FSCG of the NSN 5305-00-003-9478 is 5305

Does the NSN 5305-00-003-9478 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-003-9478 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 5305-00-003-9478 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-003-9478 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 5305-00-003-9478 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, May 21, 1972