0.31218UNC2BT1G400NSA/BEB

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-497-3152

Item Name Code

05277

Assigment Date

05/16/2002 (24 years ago)

An electrical fitting with electrical contacts constructed to be affixed to the end of a cable, conduit, coaxial line, cord, wire (includes printed/etched), printed wiring board, or the like for convenience in joining with another electrical connector or printed wiring board. It is designed to be mounted on a bulkhead, chassis, panel, wall, printed wiring board, or the like. Excludes:lampholder; jack,telephone; jack,tip; insert electrical connector; insert module,electrical connector; connector body (as modified) and socket,plug-in electronic components. See also wiring harness (as modified) and cable assembly (as modified). For items with termination wires of more than four inches in length, see lead assembly,electrical. For items without inserts, see shell,electrical connector.

right-hand thread direction, 0.258 inches minimum and 0.273 inches maximum nut height, 2b thread class, prevailing torque all metal design locking feature, 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: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Nut Style: hexagon
Nut Height: 0.258 inches minimum and 0.273 inches maximum
End Item Identification: hardware
Width Across Flats: 0.489 inches minimum and 0.500 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 18
Hardness Rating: 80.0 rockwell c minimum
Nominal Thread Size: 0.312 inches
Bearing Surface Type: chamfered or washer faced
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281, class a fed spec single material response overall

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
0.31218UNC2BT1G400NSA/BEB	Hexagon Self-Locking Nut
M122N1X5C20NAL	Hexagon Self-Locking Nut
MIL-DTL-122	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-497-3152?

The FSCG of the NSN 5310-01-497-3152 is 5310

Does the NSN 5310-01-497-3152 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-497-3152 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 5310-01-497-3152 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-497-3152 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 5310-01-497-3152 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Thu, May 16, 2002