5305-01-057-3071

Find complete technical information, availability, and procurement data for: 5305-01-057-3071
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-057-3071

Item Name Code

29294

Assigment Date

03/10/1978 (48 years ago)

3a thread class, pan no. 2 head style, 0.660 inches minimum and 0.690 inches maximum fastener length, right-hand thread direction, 0.338 inches minimum and 0.388 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: 0.338 inches minimum and 0.388 inches maximum
Fastener Length: 0.660 inches minimum and 0.690 inches maximum
Head Style: pan no. 2
Head Diameter: 0.360 inches minimum and 0.374 inches maximum
Head Height: 0.115 inches minimum and 0.125 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.302 inches minimum and 0.322 inches maximum
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 overall
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Special Features: internal drive ribbed
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1578 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-01-271-8393	No Name Available	09/01/1997

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
5305PL0783042	Close Tolerance Screw
NAS1578A3R5	Close Tolerance Screw
NAS1578A3T5	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-057-3071?

The FSCG of the NSN 5305-01-057-3071 is 5305

Does the NSN 5305-01-057-3071 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-057-3071 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 5305-01-057-3071 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-057-3071 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 5305-01-057-3071 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Mar 10, 1978