5310-01-057-6724

Find complete technical information, availability, and procurement data for: 5310-01-057-6724
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-057-6724

Item Name Code

01857

Assigment Date

03/17/1978 (48 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.)

3b thread class, multiple launch rocket system (mlrs) end item identification, 0.313 inches nominal nut height, right-hand thread direction, hexagon nut style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.313 inches nominal
End Item Identification: multiple launch rocket system (mlrs)
Drilled Hole Diameter: 0.045 inches minimum and 0.050 inches maximum
Hole Type And Quantity: 3 drilled
Width Across Flats: 0.740 inches minimum and 0.752 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Hole Configuration Style: configuration b
Countersink Angle: 109.0 degrees minimum and 111.0 degrees maximum both ends
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Special Features: 150000 psi min tensile strength
Material: iron alloy 660 overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Specification/Standard Data: 80205-nas509 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-500-1936	No Name Available	07/01/1985
5310-00-969-4825	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
5310PL0744877	Hexagon Plain Nut
NAS509-8C	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-057-6724?

The FSCG of the NSN 5310-01-057-6724 is 5310

Does the NSN 5310-01-057-6724 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-057-6724 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 5310-01-057-6724 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-057-6724 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 5310-01-057-6724 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Mar 17, 1978