HR207-4-7

View detailed technical data, stock status, and sourcing information for: HR207-4-7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-244-1047

Item Name Code

06657

Assigment Date

11/07/1986 (39 years ago)

right-hand thread direction, flat countersunk head style, 0.399 inches minimum and 0.466 inches maximum thread length, 3a thread class, 0.847 inches minimum and 0.894 inches maximum 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: 0.399 inches minimum and 0.466 inches maximum
Fastener Length: 0.847 inches minimum and 0.894 inches maximum
Head Style: flat countersunk
Head Diameter: 0.350 inches minimum and 0.398 inches maximum
Internal Drive Style: torque set
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 132000 pounds per square inch
Countersink Angle: 90.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp h11
Screw Material Document And Classification: ams 6487 assn std single material response
Screw Surface Treatment: cadmium or cadmium and chromate
Special Features: internal drive ribbed
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
121825-4-7	Machine Screw
GB510CB4-7	Machine Screw
HR207-4-7	Machine Screw
PBF1211-4-7F	Machine Screw
SC1825-4-7	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-244-1047?

The FSCG of the NSN 5305-01-244-1047 is 5305

Does the NSN 5305-01-244-1047 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-244-1047 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 5305-01-244-1047 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-244-1047 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 5305-01-244-1047 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Nov 7, 1986