20703-002 FIND 34

View detailed technical data, stock status, and sourcing information for: 20703-002 FIND 34
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-290-8420

Item Name Code

16282

Assigment Date

12/17/1988 (37 years ago)

3a thread class, flat chamfer head style, 1.125 inches minimum thread length, 3.940 inches minimum and 4.000 inches maximum fastener length, right-hand thread direction

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: 1.125 inches minimum
Fastener Length: 3.940 inches minimum and 4.000 inches maximum
Head Style: flat chamfer
Head Diameter: 0.457 inches minimum and 0.469 inches maximum
Head Height: 0.306 inches minimum and 0.312 inches maximum
Hole Diameter: 0.044 inches minimum and 0.050 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.250 inches minimum and 0.253 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 155000 pounds per square inch
Hole Configuration Style: round internal hexagon
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl2 fed spec 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
02-032062	Socket Head Cap Screw
20703-002 FIND 34	Socket Head Cap Screw
NAS1351-5H64P	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-290-8420?

The FSCG of the NSN 5305-01-290-8420 is 5305

Does the NSN 5305-01-290-8420 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-290-8420 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 5305-01-290-8420 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-290-8420 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 5305-01-290-8420 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, Dec 17, 1988