5305-01-386-0928

Find complete technical information, availability, and procurement data for: 5305-01-386-0928
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-386-0928

Item Name Code

06657

Assigment Date

07/26/1992 (34 years ago)

A rigid item of different shapes that secures the rocker arm shaft or pivot pin of a rocker arm assembly, engine poppet valve.

0.251 inches nominal thread length, 3a thread class, pan no. 2 head style, right-hand thread direction, 0.313 inches nominal 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: 0.251 inches nominal
Fastener Length: 0.313 inches nominal
Head Style: pan no. 2
Head Diameter: 0.306 inches minimum and 0.322 inches maximum
Head Height: 0.105 inches minimum and 0.115 inches maximum
Locking Feature: patch or pellet or strip
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Screw Material: steel comp 4140 or steel comp 4340 or steel comp 8740
Locking Feature Material: plastic polyamide (nylon)
Screw Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-8844 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response
Bearing Surface Of Head Surface Finish: 32.0 microinches
Shank Surface Finish: 32.0 microinches
Thread Surface Finish: 32.0 microinches
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1190 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
NAS1190-08P5	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-386-0928?

The FSCG of the NSN 5305-01-386-0928 is 5305

Does the NSN 5305-01-386-0928 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-386-0928 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 5305-01-386-0928 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-386-0928 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 5305-01-386-0928 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Sun, Jul 26, 1992