D7500HS-12-D-5

View detailed technical data, stock status, and sourcing information for: D7500HS-12-D-5
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-381-9973

Item Name Code

33044

Assigment Date

10/26/1993 (32 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.531 inches nominal head diameter, right-hand thread direction, knurled no. 1 head style, 0.780 inches nominal 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: 0.780 inches nominal
Head Style: knurled no. 1
Head Diameter: 0.531 inches nominal
Head Height: 0.390 inches nominal
Internal Drive Style: hexagon
Material Accommodated Thickness: 0.188 inches minimum and 0.250 inches maximum
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Material: aluminum alloy 6061 head
Material: aluminum alloy 6061 stand-off
Material: steel comp 302 spring
Material: steel corrosion resisting fastener
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 ty1 cl1 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 spring
Thread Series Designator: unf

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	Panel Screw Assembly
D7500HS-12-D-5	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-381-9973?

The FSCG of the NSN 5305-01-381-9973 is 5305

Does the NSN 5305-01-381-9973 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-381-9973 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 5305-01-381-9973 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-381-9973 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 5305-01-381-9973 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Oct 26, 1993