5305-01-139-0840

Find complete technical information, availability, and procurement data for: 5305-01-139-0840
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-139-0840

Item Name Code

16282

Assigment Date

09/24/1982 (43 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

pan head style, right-hand thread direction, 3a thread class, 0.350 inches minimum and 0.380 inches maximum fastener length, 0.288 inches minimum and 0.380 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: 0.288 inches minimum and 0.380 inches maximum
Fastener Length: 0.350 inches minimum and 0.380 inches maximum
Head Style: pan
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 threads
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
Surface Finish: 32.0 microinches threads
Surface Finish: 63.0 microinches bearing surface of head
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas8102 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
NAS8102P6	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-139-0840?

The FSCG of the NSN 5305-01-139-0840 is 5305

Does the NSN 5305-01-139-0840 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-139-0840 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 5305-01-139-0840 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-139-0840 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 5305-01-139-0840 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Sep 24, 1982