NAS1351N08LE20

View detailed technical data, stock status, and sourcing information for: NAS1351N08LE20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-727-3661

Item Name Code

16282

Assigment Date

02/28/2025 (1 year ago)

An oscillator whose operating frequency(ies) is controlled by a crystal unit, quartz. For an oscillator controlled by a device other than a crystal, see oscillator (1), noncrystal controlled. See also generator, signal; and calibrator, frequency. Excludes:frequency supply, telephone carrier; resonator, tuning fork; and oscillator, pulse delay.

3a thread class, flat chamfer head style, 0.875 inches nominal thread length, 1.250 inches nominal fastener length, right-hand thread direction

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: 0.875 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: flat chamfer
Head Diameter: 0.159 inches minimum and 0.164 inches maximum
Head Height: 0.262 inches minimum and 0.270 inches maximum
Locking Feature: material in threads locking feature
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.1640 inches
Width Across Flats: 0.141 inches nominal
Thread Quantity Per Inch: 36
Chamfer Angle: 30.0 degrees minimum and 45.0 degrees maximum
Part Name Assigned By Controlling Agency: screw,cap,socket head,undrilled and drilled,plain and self-locking,alloy steel,corrosion-resistant steel and heat-resistant steel,unrf-3a
Material: iron alloy 660 overall
Material Document And Classification: ams5731 or 5737 aerospace material spec std single material response overall
Surface Treatment: black oxide overall
Surface Treatment Document And Classification: mil-dtl-13924,class 1 mil spec single treatment response overall
Thread Series Designator: unrf
Specification/Standard Data: 80205-nas1351 professional/industrial association standard

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
4101104-1-49	Socket Head Cap Screw
4102388-1-22	Socket Head Cap Screw
NAS1351N08LE20	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-727-3661?

The FSCG of the NSN 5305-01-727-3661 is 5305

Does the NSN 5305-01-727-3661 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-727-3661 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 5305-01-727-3661 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-727-3661 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 5305-01-727-3661 was assigned to the Federal Catalog?

It was assigned 1 year ago, on Fri, Feb 28, 2025