STBS12EZ4BD2

View detailed technical data, stock status, and sourcing information for: STBS12EZ4BD2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-071-0079

Item Name Code

33044

Assigment Date

01/27/1979 (47 years ago)

0.354 inches minimum and 0.394 inches maximum fastener length, knurled no. 4 head style, 3a thread class, 0.037 inches minimum and 0.172 inches maximum thread length, right-hand thread direction

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: 0.037 inches minimum and 0.172 inches maximum
Fastener Length: 0.354 inches minimum and 0.394 inches maximum
Head Style: knurled no. 4
Head Diameter: 0.310 inches minimum and 0.340 inches maximum
Head Height: 0.255 inches minimum and 0.285 inches maximum
Material Accommodated Thickness: 0.063 inches minimum and 0.125 inches maximum
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Material: aluminum alloy 6061 head
Material: aluminum alloy 6061 stand-off
Material: steel comp 302 spring
Material: steel comp 303 fastener
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 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
D7500-4-B-2	Panel Screw Assembly
STBS12EZ4BD2	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-071-0079?

The FSCG of the NSN 5305-01-071-0079 is 5305

Does the NSN 5305-01-071-0079 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-071-0079 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 5305-01-071-0079 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-071-0079 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 5305-01-071-0079 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sat, Jan 27, 1979