NAS1351N6LB20

View detailed technical data, stock status, and sourcing information for: NAS1351N6LB20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-646-5631

Item Name Code

16282

Assigment Date

07/23/2015 (11 years ago)

A definite length of one-conductor electrical wire, wire braid, or other conductive material, except cable or cord, one or both ends of which are processed or terminated. The lead may be of any size or shape, insulated or uninsulated. See also lead, test and bus conductor. Excludes:lead, storage battery; lead, ignition, engine, and items having attached switches, lampholders, suppressors, resistors, and the like.

right-hand thread direction, 1.250 inches nominal fastener length, 3a thread class, flat chamfer head style, 1.250 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: 3a
Thread Direction: right-hand
Thread Length: 1.250 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: flat chamfer
Head Diameter: 0.550 inches minimum and 0.562 inches maximum
Head Height: 0.368 inches minimum and 0.375 inches maximum
Locking Feature: patch threads
Internal Drive Style: hexagon
End Item Identification: v-22 aircraft
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches minimum and 0.316 inches maximum
Thread Quantity Per Inch: 24
Part Name Assigned By Controlling Agency: screw cap socket head
Material: iron alloy 660 overall
Surface Treatment: passivate and cadmium overall
Thread Series Designator: unrf

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
NAS1351N6LB20	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-646-5631?

The FSCG of the NSN 5305-01-646-5631 is 5305

Does the NSN 5305-01-646-5631 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-646-5631 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 5305-01-646-5631 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-646-5631 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 5305-01-646-5631 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Thu, Jul 23, 2015