3040706-048-101

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-153-3142

Item Name Code

05277

Assigment Date

01/15/1973 (53 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

0.312 inches nominal nut height, 2b thread class, prevailing torque all metal design or prevailing torque with nonmetallic insert locking feature, hexagon nut style, right-hand thread direction

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design or prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 0.312 inches nominal
Width Across Flats: 2.000 inches nominal
Thread Series: un
Thread Quantity Per Inch: 20
Nominal Thread Size: 1.688 inches
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Special Features: one drilled hole 0.156 in. dia,0.250 in. deep thru one wall and one drilled hole 0.062 in. dia,0.250 in. deep,counterbored 0.124 in. min,0.125 in. max dia,0.125 in. deep thru one wall 180.0 deg from first hole
Material: steel comp 303 nut
Material Document And Classification: qq-s-764,conda, fed spec 2nd material response or mil-c-13924 mil spec 2nd material response nut
Surface Treatment: oxide nut

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
3040706-048-101	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-153-3142?

The FSCG of the NSN 5310-00-153-3142 is 5310

Does the NSN 5310-00-153-3142 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-153-3142 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 5310-00-153-3142 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-153-3142 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 5310-00-153-3142 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Mon, Jan 15, 1973