5305-01-077-9905

Find complete technical information, availability, and procurement data for: 5305-01-077-9905
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-077-9905

Item Name Code

06657

Assigment Date

06/05/1979 (47 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.

hexagon head style, 0.484 inches minimum and 0.531 inches maximum fastener length, 3a thread class, right-hand thread direction, 0.420 inches minimum and 0.499 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: 0.420 inches minimum and 0.499 inches maximum
Fastener Length: 0.484 inches minimum and 0.531 inches maximum
Head Style: hexagon
Head Height: 0.096 inches minimum and 0.110 inches maximum
Width Between Flats: 0.243 inches minimum and 0.251 inches maximum
Internal Drive Style: cross recess type 1
End Item Identification: multiple launch rocket system (mlrs)
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material: steel comp e4340 or steel comp 8740
Screw Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 fed spec single treatment response
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1801 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-024-8484	No Name Available	03/01/1987

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
NAS1801-08-8	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-077-9905?

The FSCG of the NSN 5305-01-077-9905 is 5305

Does the NSN 5305-01-077-9905 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-077-9905 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 5305-01-077-9905 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-077-9905 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 5305-01-077-9905 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Tue, Jun 5, 1979