5305-01-589-1057

Find complete technical information, availability, and procurement data for: 5305-01-589-1057
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-589-1057

Item Name Code

18257

Assigment Date

10/19/2010 (15 years ago)

An item designed to inclose the cylinder bore(s) of an engine block to form a combustion chamber(s). It may have liquid cooling passage(s) and/or air cooling fin(s) and may include valve(s), valve guide(s), rocker arm(s), injector tube(s), and the like. It is a component part of an engine, diesel. See also cylinder head, gasoline engine.

hexagon head style, 1.000 inches nominal fastener length, 2a2b thread class, right-hand thread direction, 0.875 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: 2a2b
Thread Direction: right-hand
Thread Length: 0.875 inches nominal
Fastener Length: 1.000 inches nominal
Head Style: hexagon
Head Height: 0.195 inches minimum and 0.211 inches maximum
Width Between Flats: 0.489 inches minimum and 0.500 inches maximum
End Item Identification: 2320-01-354-4528 truck, wrecker
Nominal Thread Diameter: 0.312 inches
Part Name Assigned By Controlling Agency: screw, cap, hexagon (finished hex bolt)
Material: steel overall
Material Document And Classification: astm a354, grade bd assn std single material response overall
Thread Series Designator: unc

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
S210NA38CAG17354BNAA1	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-589-1057?

The FSCG of the NSN 5305-01-589-1057 is 5305

Does the NSN 5305-01-589-1057 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-589-1057 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 5305-01-589-1057 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-589-1057 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 5305-01-589-1057 was assigned to the Federal Catalog?

It was assigned 15 years ago, on Tue, Oct 19, 2010