5305-01-331-7930

Find complete technical information, availability, and procurement data for: 5305-01-331-7930
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-331-7930

Item Name Code

06657

Assigment Date

12/27/1990 (35 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

pan head style, 0.844 inches minimum and 0.875 inches maximum fastener length, 3a thread class, right-hand thread direction, 0.782 inches minimum and 0.875 inches maximum thread 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: 0.782 inches minimum and 0.875 inches maximum
Fastener Length: 0.844 inches minimum and 0.875 inches maximum
Head Style: pan
Head Diameter: 0.265 inches minimum and 0.270 inches maximum
Head Height: 0.088 inches minimum and 0.102 inches maximum
Locking Feature: patch
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 e4340 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-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416 ty2 cl2 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-nas1191 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
NAS1191-08P14HB	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-331-7930?

The FSCG of the NSN 5305-01-331-7930 is 5305

Does the NSN 5305-01-331-7930 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-331-7930 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 5305-01-331-7930 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-331-7930 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 5305-01-331-7930 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Thu, Dec 27, 1990