5305-01-498-1978

Find complete technical information, availability, and procurement data for: 5305-01-498-1978
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-498-1978

Item Name Code

06673

Assigment Date

06/18/2002 (24 years ago)

A metallic or nonmetallic item which is rigid, flat and generally smooth. Its thickness is small in comparison to its length and width. It is designed for mounting one or more items and may have drilled or threaded holes or other facilities for mounting to a supporting object or surface. See support,as modified. Do not use if a more specific name applies.

0.690 inches minimum and 0.810 inches maximum fastener length, star knob head style, 0.750 inches nominal thread length, right-hand thread direction, 2a thread class

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: 0.750 inches nominal
Fastener Length: 0.690 inches minimum and 0.810 inches maximum
Head Style: star knob
Head Height: 0.850 inches nominal
Width Between Flats: 1.375 inches nominal
End Item Identification: filter, 12 inch inline enclosed airsep
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Material: plastic head
Material: steel fastener
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
MHC526	Thumbscrew
MHC531 PC 7	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-01-498-1978?

The FSCG of the NSN 5305-01-498-1978 is 5305

Does the NSN 5305-01-498-1978 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-498-1978 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 5305-01-498-1978 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-498-1978 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 5305-01-498-1978 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Tue, Jun 18, 2002