20409-003 FIND 39

View detailed technical data, stock status, and sourcing information for: 20409-003 FIND 39
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-322-2550

Item Name Code

16282

Assigment Date

06/30/1990 (36 years ago)

0.289 inches minimum and 0.375 inches maximum thread length, right-hand thread direction, 3a thread class, flat chamfer head style, 0.345 inches minimum and 0.375 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: 0.289 inches minimum and 0.375 inches maximum
Fastener Length: 0.345 inches minimum and 0.375 inches maximum
Head Style: flat chamfer
Head Diameter: 0.262 inches minimum and 0.270 inches maximum
Head Height: 0.159 inches minimum and 0.164 inches maximum
Hole Diameter: 0.044 inches minimum and 0.050 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.141 inches minimum and 0.143 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 36
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 33.0 rockwell c minimum and 42.0 rockwell c maximum overall
Minimum Yield Strength: 120000 pounds per square inch
Hole Configuration Style: round internal hexagon
Material: iron alloy 660 overall
Material Document And Classification: ams5731 assn std single material response or ams5737 assn std single material response overall
Precious Material And Location: overall silver
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams2411 assn std single treatment response overall
Thread Series Designator: unrf
Specification/Standard Data: 80205-nas1351 professional/industrial association standard

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
20409-003 FIND 39	Socket Head Cap Screw
NAS1351N08H6S	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-322-2550?

The FSCG of the NSN 5305-01-322-2550 is 5305

Does the NSN 5305-01-322-2550 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-322-2550 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 5305-01-322-2550 contain precious materials?

Item contains silver.

Does NSN 5305-01-322-2550 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 5305-01-322-2550 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Jun 30, 1990