5305-01-391-3678

Find complete technical information, availability, and procurement data for: 5305-01-391-3678
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-391-3678

Item Name Code

33044

Assigment Date

06/09/1994 (32 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

right-hand thread direction, 0.410 inches minimum and 0.440 inches maximum head diameter, knurled no. 5 head style, 0.370 inches minimum and 0.400 inches maximum fastener 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
Fastener Length: 0.370 inches minimum and 0.400 inches maximum
Head Style: knurled no. 5
Head Diameter: 0.410 inches minimum and 0.440 inches maximum
Head Height: 0.470 inches minimum and 0.510 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Material: aluminum alloy 6061 primary washer
Material: steel comp 301 or steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 fastener
Material: steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 secondary washer
Material: steel comp 304 stand-off
Material: steel comp 631 head
Material Document And Classification: aisi assn std all material responses fastener
Material Document And Classification: aisi assn std all material responses primary washer
Material Document And Classification: aisi assn std single material response stand-off
Material Document And Classification: aisi ty631 assn std single material response spring
Material Document And Classification: qq-a-250/11 fed spec single material response head
Material Document And Classification: qq-w-423 fed spec all material responses secondary washer
Surface Treatment: anodize head
Surface Treatment: passivate fastener
Surface Treatment: passivate primary washer
Surface Treatment: passivate secondary washer
Surface Treatment: passivate stand-off
Surface Treatment: passivate spring
Surface Treatment Document And Classification: mil-a-8625, ty3 mil spec single treatment response head
Surface Treatment Document And Classification: mil-a-8625, ty3 mil spec single treatment response primary washer
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 secondary washer
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: 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
2827730P75	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-391-3678?

The FSCG of the NSN 5305-01-391-3678 is 5305

Does the NSN 5305-01-391-3678 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-391-3678 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 5305-01-391-3678 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-391-3678 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 5305-01-391-3678 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Thu, Jun 9, 1994