DFHT79

View detailed technical data, stock status, and sourcing information for: DFHT79
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-078-5982

Item Name Code

33044

Assigment Date

06/16/1979 (47 years ago)

3a thread class, 0.250 inches nominal thread length, flat countersunk head style, right-hand thread direction, 0.722 inches nominal fastener length

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: 0.250 inches nominal
Fastener Length: 0.722 inches nominal
Head Style: flat countersunk
Head Diameter: 0.300 inches maximum
Material Accommodated Thickness: 0.090 inches minimum and 0.125 inches maximum
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Hardness Rating: 38.0 rockwell b minimum and 41.0 rockwell b maximum fastener
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 304 or steel comp 304l or steel comp 347 or steel comp 348 stand-off
Material: steel comp 8740 fastener
Material Document And Classification: mil-s-23195 mil spec all material responses stand-off
Material Document And Classification: mil-s-6049 mil spec single material response fastener
Surface Treatment: cadmium and chromate fastener
Surface Treatment: cadmium and chromate stand-off
Surface Treatment Document And Classification: qq-p-416 ty2 cl3 fed spec single treatment response stand-off
Surface Treatment Document And Classification: qq-p-416 ty2 cl3 fed spec single treatment response fastener
Thread Series Designator: unjf

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
DFHT79	Panel Screw Assembly
DFHT79-10B4-5	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-078-5982?

The FSCG of the NSN 5305-01-078-5982 is 5305

Does the NSN 5305-01-078-5982 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-078-5982 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 5305-01-078-5982 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-078-5982 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 5305-01-078-5982 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sat, Jun 16, 1979