11883-3L18

View detailed technical data, stock status, and sourcing information for: 11883-3L18
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-397-1784

Item Name Code

29294

Assigment Date

10/05/1994 (31 years ago)

3a thread class, flat countersunk head style, 0.406 inches maximum thread length, right-hand thread direction, 1.110 inches minimum and 1.140 inches maximum fastener 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: 0.406 inches maximum
Fastener Length: 1.110 inches minimum and 1.140 inches maximum
Head Style: flat countersunk
Head Diameter: 0.297 inches minimum and 0.302 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Grip Length: 1.115 inches minimum and 1.135 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel comp xm-13 overall
Surface Treatment: aluminum overall
Surface Treatment Document And Classification: amil-c-83488, type 2, class 3 mil spec 3rd treatment response overall
Thread Series Designator: unjf

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
11883-3L18	Close Tolerance Screw
3M926-3L18	Close Tolerance Screw
HT4068-3-18A	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-397-1784?

The FSCG of the NSN 5305-01-397-1784 is 5305

Does the NSN 5305-01-397-1784 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-397-1784 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 5305-01-397-1784 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-397-1784 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 5305-01-397-1784 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Oct 5, 1994