MS21046C4

View detailed technical data, stock status, and sourcing information for: MS21046C4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-059-9265

Item Name Code

05277

Assigment Date

01/01/1963 (63 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.

right-hand thread direction, 0.240 inches minimum and 0.328 inches maximum nut height, prevailing torque all metal design locking feature, hexagon nut style, 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 all metal design
Nut Style: hexagon
Nut Height: 0.240 inches minimum and 0.328 inches maximum
Width Across Flats: 0.430 inches minimum and 0.439 inches maximum
Temp Rating: 800.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: steel corrosion resisting overall
Precious Material And Location: overall silver
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-208-2222	No Name Available	07/01/1977
5310-00-208-9295	No Name Available	01/01/1960
5310-00-616-8393	No Name Available	03/01/1983
5310-00-687-6007	No Name Available	07/01/1977

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
206SS4	Hexagon Self-Locking Nut
39A11817	Hexagon Self-Locking Nut
520924	Hexagon Self-Locking Nut
5310000599265	Hexagon Self-Locking Nut
5310PL0714186	Hexagon Self-Locking Nut
59FH-428	Hexagon Self-Locking Nut
59FH428	Hexagon Self-Locking Nut
803-5184193-1X-14	Hexagon Self-Locking Nut
803-5184193-2X-14	Hexagon Self-Locking Nut
854261-00	Hexagon Self-Locking Nut
9B2633-02-50A	Hexagon Self-Locking Nut
H56-4	Hexagon Self-Locking Nut
LYC506C4	Hexagon Self-Locking Nut
MS21046-C4	Hexagon Self-Locking Nut
MS21046C4	Hexagon Self-Locking Nut
R1155P4	Hexagon Self-Locking Nut
R416P04D	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-059-9265?

The FSCG of the NSN 5310-00-059-9265 is 5310

Does the NSN 5310-00-059-9265 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-059-9265 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 5310-00-059-9265 contain precious materials?

Item contains silver.

Does NSN 5310-00-059-9265 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 5310-00-059-9265 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963