5305-01-491-0237

Find complete technical information, availability, and procurement data for: 5305-01-491-0237
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-491-0237

Item Name Code

18257

Assigment Date

10/10/2001 (24 years ago)

A permanent magnet with a coil. It produces alternating current pulsation when the magnet field or sensor is disrupted by a gear tooth or notch. It senses pulse ring lobes. The resultant signal enables the electronic control assembly to determine when the ignition module should be triggered to produce a spark. Also, provides revolutions per minute information which is used to calculate spark advance and exhaust gas recirculation flow, and air/fuel ratio, (replaces distributor centrifugal advance weights and timing pickup). One pulse is produced for each cylinder every other engine rotation (one for each spark plug firing).

2a thread class, right-hand thread direction, 2.250 inches nominal thread length, hexagon head style, 5.000 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 2.250 inches nominal
Fastener Length: 5.000 inches nominal
Head Style: hexagon
Head Height: 0.591 inches minimum and 0.627 inches maximum
Width Between Flats: 1.469 inches minimum and 1.500 inches maximum
End Item Identification: 1440-01-087-9844
Nominal Thread Diameter: 1.000 inches
Thread Quantity Per Inch: 12
Material: steel uns k04100 overall
Material Document And Classification: astm a354,grade bd assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty ii,cl 3 fed spec single treatment response overall
Thread Series Designator: unf

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
B1821AH100F500N	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-491-0237?

The FSCG of the NSN 5305-01-491-0237 is 5305

Does the NSN 5305-01-491-0237 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-491-0237 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 5305-01-491-0237 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-491-0237 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 5305-01-491-0237 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Wed, Oct 10, 2001