DCT7900-4-A-2

View detailed technical data, stock status, and sourcing information for: DCT7900-4-A-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-398-3715

Item Name Code

33044

Assigment Date

10/31/1994 (31 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

modified pan head style, 0.219 inches nominal head diameter, 0.390 inches nominal fastener length, right-hand thread direction, 2a 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: 2a
Thread Direction: right-hand
Fastener Length: 0.390 inches nominal
Head Style: modified pan
Head Diameter: 0.219 inches nominal
Head Height: 0.068 inches nominal
Internal Drive Style: cross recess type ii
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Hardness Rating: 34.0 rockwell c minimum and 38.0 rockwell c maximum overall
Material: copper alloy 360 stand-off
Material: steel comp 4037 fastener
Material Document And Classification: ams 6300 assn std single material response fastener
Material Document And Classification: qq-b-626 fed spec single material response stand-off
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416, ty 1 fed spec single treatment response overall
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
6239944-1	Panel Screw Assembly
DCT7900-4-A-2	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-398-3715?

The FSCG of the NSN 5305-01-398-3715 is 5305

Does the NSN 5305-01-398-3715 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-398-3715 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 5305-01-398-3715 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-398-3715 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 5305-01-398-3715 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Mon, Oct 31, 1994