5305-01-597-4628

Find complete technical information, availability, and procurement data for: 5305-01-597-4628
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-597-4628

Item Name Code

18257

Assigment Date

06/09/2011 (15 years ago)

A rectangular or square precision tool having a flat working surface(s) of specific flatness. It is used as a datum plane in connection with various layout, inspection, and calibration operations. It may also be used as a lapping plate, but is not grooved. See also block, lapping; plate, duplex, surface and lapping; and plate, lapping.

hexagon head style, right-hand thread direction, 2.062 inches nominal fastener length, 2a thread class, 1.906 inches nominal 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: 1.906 inches nominal
Fastener Length: 2.062 inches nominal
Head Style: hexagon
Head Height: 0.562 inches nominal
Width Between Flats: 2.250 inches nominal
Nominal Thread Diameter: 0.875 inches
Thread Quantity Per Inch: 14
Hardness Rating: 35.0 rockwell c minimum and 40.0 rockwell c maximum overall
Surface Finish: 125.0 micrometers head
Part Name Assigned By Controlling Agency: screw, heax head
Special Features: magnetic port inspection iaw mil-i-6868; next higher assembly: fixture, shiping and lifting assembly
Material: steel comp 4140 overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: aqq-z-325 ty ii cl 3 fed spec single treatment response overall
Thread Series Designator: unf

FAQs

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

What is the FSCG of the NSN 5305-01-597-4628?

The FSCG of the NSN 5305-01-597-4628 is 5305

Does the NSN 5305-01-597-4628 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-597-4628 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 5305-01-597-4628 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-597-4628 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 5305-01-597-4628 was assigned to the Federal Catalog?

It was assigned 15 years ago, on Thu, Jun 9, 2011