251586

View detailed technical data, stock status, and sourcing information for: 251586
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-716-8192

Item Name Code

18257

Assigment Date

01/01/1961 (65 years ago)

right-hand thread direction, hexagon head style, 2a thread class, 0.719 inches minimum and 0.750 inches maximum fastener length, 0.597 inches minimum and 0.750 inches maximum thread 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: 2a
Thread Direction: right-hand
Thread Length: 0.597 inches minimum and 0.750 inches maximum
Fastener Length: 0.719 inches minimum and 0.750 inches maximum
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.736 inches minimum and 0.750 inches maximum
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 25.0 rockwell c minimum and 34.0 rockwell c maximum overall
Material: steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 overall
Material Document And Classification: sae j429 gr 5 assn std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator: unf
Nondefinitive Spec/Std Data: 2 type and 10p style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-018-1425	No Name Available	09/01/1982
5305-00-018-1693	No Name Available	02/01/1980
5305-00-021-6013	No Name Available	04/05/2001
5305-00-133-2058	No Name Available	11/05/1969
5305-00-753-4136	No Name Available	09/01/1967
2590-00-934-2326	No Name Available	06/22/1967
5305-01-193-9212	No Name Available	08/01/1987

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
251586	Hexagon Head Cap Screw
5305007168192	Hexagon Head Cap Screw
MS90726-107	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-716-8192?

The FSCG of the NSN 5305-00-716-8192 is 5305

Does the NSN 5305-00-716-8192 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-716-8192 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 5305-00-716-8192 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-716-8192 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 5305-00-716-8192 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961