NAS1635-08-18

View detailed technical data, stock status, and sourcing information for: NAS1635-08-18
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-402-5788

Item Name Code

06657

Assigment Date

04/15/1970 (56 years ago)

1.001 inches minimum and 1.125 inches maximum thread length, 2a thread class, 1.063 inches minimum and 1.125 inches maximum fastener length, pan head style, 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: 2a
Thread Direction: right-hand
Thread Length: 1.001 inches minimum and 1.125 inches maximum
Fastener Length: 1.063 inches minimum and 1.125 inches maximum
Head Style: pan
Head Diameter: 0.306 inches minimum and 0.322 inches maximum
Head Height: 0.105 inches minimum and 0.115 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 80000 pounds per square inch
Screw Material: steel corrosion resisting or steel
Screw Material Document And Classification: qq-s-763,300 series fed spec 1st material response or 66,300 series fed std 1st material response or comp 16-18 or 18-8 assn std 2nd material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 3 type and 9c style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-298-8569	No Name Available	11/01/2002
5305-00-576-8481	Machine Screw	07/01/2025
5305-00-884-1372	No Name Available	01/01/1986

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
106752-08-318C	Machine Screw
342-0085-000	Machine Screw
343-0194-000	Machine Screw
9135-318	Machine Screw
965812-318C	Machine Screw
A0L4167-318	Machine Screw
AIC812-08-19	Machine Screw
AN515C8R18	Machine Screw
E516-318	Machine Screw
FS2002-08/318C	Machine Screw
MS51957-127	Machine Screw
NAS1635-08-18	Machine Screw
P342-0085-000	Machine Screw
P343-0194-00	Machine Screw
P343-0194-000	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-402-5788?

The FSCG of the NSN 5305-00-402-5788 is 5305

Does the NSN 5305-00-402-5788 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-402-5788 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 5305-00-402-5788 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-402-5788 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 5305-00-402-5788 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Apr 15, 1970