5310-00-181-6986

Find complete technical information, availability, and procurement data for: 5310-00-181-6986
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-181-6986

Item Name Code

05277

Assigment Date

06/08/1970 (56 years ago)

3.078 inches minimum and 3.204 inches maximum nut height, hexagon nut style, right-hand thread direction, prevailing torque with nonmetallic insert locking feature, 3b thread class

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
Locking Feature: prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 3.078 inches minimum and 3.204 inches maximum
Width Across Flats: 3.875 inches minimum and 4.015 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 4
Nominal Thread Size: 2.500 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Material: plastic polyhexamethylene amide locking insert
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 317 or steel comp 347 nut
Material Document And Classification: ff-n-836 fed std all material responses nut
Material Document And Classification: mil-a-20693,comp a,type 1 mil spec single material response locking insert
Surface Treatment: passivate nut
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response 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
79NU404	Hexagon Self-Locking Nut
MS17830-40C	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-181-6986?

The FSCG of the NSN 5310-00-181-6986 is 5310

Does the NSN 5310-00-181-6986 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-181-6986 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 5310-00-181-6986 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-181-6986 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 5310-00-181-6986 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Jun 8, 1970