MS51865-7

View detailed technical data, stock status, and sourcing information for: MS51865-7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-089-3717

Item Name Code

05275

Assigment Date

01/31/1980 (46 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.

cap nut style, 0.470 inches nominal nut height, 2b thread class, right-hand thread direction, 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: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Style: cap
Nut Height: 0.470 inches nominal
Width Across Flats: 0.428 inches minimum and 0.438 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Bearing Surface Type: chamfered
Material: steel comp 1524 or steel comp 1527 or steel comp 1536 or steel comp 1541 nut
Surface Treatment: cadmium and chromate overall except insert
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses overall except 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
MS51865-7	Cap Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-089-3717?

The FSCG of the NSN 5310-01-089-3717 is 5310

Does the NSN 5310-01-089-3717 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-089-3717 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 5310-01-089-3717 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-089-3717 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 5310-01-089-3717 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Thu, Jan 31, 1980