551-6406431-27

View detailed technical data, stock status, and sourcing information for: 551-6406431-27
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-245-3502

Item Name Code

05277

Assigment Date

07/11/1969 (57 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.

0.219 inches minimum and 0.281 inches maximum nut height, right-hand thread direction, hexagon nut style, 3b thread class, prevailing torque with nonmetallic insert locking feature

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: 0.219 inches minimum and 0.281 inches maximum
Width Across Flats: 0.336 inches minimum and 0.347 inches maximum
Temp Rating: 250.0 fahrenheit maximum
Thread Series: unc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.164 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: nickel alloy 400 or nickel alloy r-405 nut
Material: plastic polyhexamethylene amide locking insert
Material Document And Classification: astm d4066,comp a,type 1 assn std single material response locking insert

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
09NM-82MONEL	Hexagon Self-Locking Nut
09NM82	Hexagon Self-Locking Nut
551-6406431-27	Hexagon Self-Locking Nut
6404642 FIND 22	Hexagon Self-Locking Nut
803-5001003-X8XX-119	Hexagon Self-Locking Nut
A07058.010.127	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-245-3502?

The FSCG of the NSN 5310-00-245-3502 is 5310

Does the NSN 5310-00-245-3502 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-00-245-3502 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 5310-00-245-3502 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-245-3502 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 5310-00-245-3502 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Jul 11, 1969