CL-1-BSS

View detailed technical data, stock status, and sourcing information for: CL-1-BSS
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-377-9939

Item Name Code

06672

Assigment Date

08/04/1993 (33 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

right-hand thread direction, hexagon internal drive style, 0.125 inches nominal fastener length, universal point style, headless (setscrew) 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 Direction: right-hand
Fastener Length: 0.125 inches nominal
Head Style: headless (setscrew)
Point Style: universal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.125 inches nominal
Thread Quantity Per Inch: 20
Special Features: 8-36 left hand thread on point
Material: steel comp 12l14 or steel comp 1144 overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: qq-z-325, type ii class 3 fed spec single treatment response overall
Thread Series Designator: unc

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
CL-1-BSS	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-377-9939?

The FSCG of the NSN 5305-01-377-9939 is 5305

Does the NSN 5305-01-377-9939 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-377-9939 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 5305-01-377-9939 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-377-9939 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 5305-01-377-9939 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Wed, Aug 4, 1993