5305-01-345-9618

Find complete technical information, availability, and procurement data for: 5305-01-345-9618
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-345-9618

Item Name Code

29294

Assigment Date

09/25/1991 (34 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

3a thread class, right-hand thread direction, 0.375 inches nominal thread length, flat countersunk head style, 3.110 inches minimum and 3.140 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: 0.375 inches nominal
Fastener Length: 3.110 inches minimum and 3.140 inches maximum
Head Style: flat countersunk
Head Diameter: 0.577 inches minimum and 0.635 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.312 inches
Grip Length: 2.740 inches minimum and 2.760 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 3.006 inches nominal first hole
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1205 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
NAS1205-44D	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-345-9618?

The FSCG of the NSN 5305-01-345-9618 is 5305

Does the NSN 5305-01-345-9618 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-345-9618 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 5305-01-345-9618 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-345-9618 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 5305-01-345-9618 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Wed, Sep 25, 1991