5305-01-503-0788

Find complete technical information, availability, and procurement data for: 5305-01-503-0788
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-503-0788

Item Name Code

18257

Assigment Date

12/03/2002 (23 years ago)

A nut, flat on top and bottom, having 4 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

2a thread class, 2.250 inches nominal thread length, 3.250 inches nominal fastener length, right-hand thread direction, hexagon head style

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: 3.250 inches nominal
Head Style: hexagon
Head Height: 0.591 inches minimum and 0.627 inches maximum
Width Between Flats: 1.4690 inches minimum and 1.5000 inches maximum
End Item Identification: 5985-01-384-6753
Nominal Thread Diameter: 1.000 inches
Thread Quantity Per Inch: 8
Material: steel comp 304 overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment 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
MS35307-535	Hexagon Head Cap Screw
NAS35307-535	Hexagon Head Cap Screw
NASM35307-535	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-503-0788?

The FSCG of the NSN 5305-01-503-0788 is 5305

Does the NSN 5305-01-503-0788 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-503-0788 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 5305-01-503-0788 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-503-0788 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 5305-01-503-0788 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Tue, Dec 3, 2002