ERNL268

View detailed technical data, stock status, and sourcing information for: ERNL268
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-411-8109

Item Name Code

06660

Assigment Date

09/05/1969 (56 years ago)

right-hand thread direction, 1.512 inches minimum and 1.575 inches maximum thread length, 1.562 inches minimum and 1.625 inches maximum fastener length, 2a thread class, 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: 1.512 inches minimum and 1.575 inches maximum
Fastener Length: 1.562 inches minimum and 1.625 inches maximum
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.190 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Washer Quantity: 1
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Primary Washer Outside Diameter: 0.494 inches minimum and 0.506 inches maximum
Primary Washer Style: flat external teeth
Primary Washer Material Thickness: 0.023 inches minimum and 0.028 inches maximum
Special Features: washer part number 1114-61-60
Material: steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1055 or steel comp 1060 primary washer
Material Document And Classification: 66 fed std all material responses primary washer
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams 2400 assn std single treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-010-4894	No Name Available	01/25/1971
5305-00-427-0035	No Name Available	07/01/1981

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
ERNL268	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-411-8109?

The FSCG of the NSN 5305-00-411-8109 is 5305

Does NSN 5305-00-411-8109 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 5305-00-411-8109 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-411-8109 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 5305-00-411-8109 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Sep 5, 1969