5305-01-380-0770

Find complete technical information, availability, and procurement data for: 5305-01-380-0770
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-380-0770

Item Name Code

33044

Assigment Date

09/14/1993 (32 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

1.115 inches minimum and 1.155 inches maximum fastener length, 0.420 inches nominal head diameter, knurled no. 5 head style, right-hand thread direction, 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: 1.115 inches minimum and 1.155 inches maximum
Head Style: knurled no. 5
Head Diameter: 0.420 inches nominal
Head Height: 0.565 inches nominal
Internal Drive Style: hexagon
Material Accommodated Thickness: 0.094 inches minimum and 0.155 inches maximum
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.140 inches nominal
Thread Quantity Per Inch: 32
Material: aluminum alloy 6061 head
Material: aluminum alloy 6061 stand-off
Material: steel comp 302 spring
Material: steel comp 301 primary washer
Material: steel comp 301 secondary washer
Material: steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 fastener
Material Document And Classification: ams 5636 assn std 1st material response or astm a493 assn std 2nd material response or astm a493 assn std 3rd material response or astm a493 assn std 4th material response or astm a493 assn std 5th material response fastener
Material Document And Classification: mil-s-5059 mil spec single material response primary washer
Material Document And Classification: mil-s-5059 mil spec single material response secondary washer
Material Document And Classification: qq-a-225/8 fed spec single material response head
Material Document And Classification: qq-a-225/8 fed spec single material response stand-off
Material Document And Classification: qq-w-423 fed spec single material response spring
Surface Treatment: anodize head
Surface Treatment: anodize stand-off
Surface Treatment: passivate fastener
Surface Treatment: passivate primary washer
Surface Treatment: passivate secondary washer
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, ty1 cl1 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 secondary washer
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
AVL220-21	Panel Screw Assembly
FRB7500HS-8-C-4	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-380-0770?

The FSCG of the NSN 5305-01-380-0770 is 5305

Does the NSN 5305-01-380-0770 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-380-0770 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 5305-01-380-0770 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-380-0770 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 5305-01-380-0770 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Sep 14, 1993