MS21059-5

View detailed technical data, stock status, and sourcing information for: MS21059-5
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-777-5774

Item Name Code

05280

Assigment Date

01/01/1960 (66 years ago)

soluble lubricant lubrication, 3b thread class, prevailing torque all metal design locking feature, right-hand thread direction, 0.372 inches minimum and 0.392 inches maximum nut counterbore diameter

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
Counterbore Diameter: 0.372 inches minimum and 0.392 inches maximum nut
Lubrication: soluble lubricant
Mounting Hole Diameter: 0.130 inches minimum and 0.135 inches maximum
Nut Style: plate
Nut Length: 1.292 inches maximum
Nut Height: 0.328 inches maximum
Plate Thickness: 0.045 inches maximum
Plate Width: 0.412 inches minimum and 0.609 inches maximum
Nut Counterbore Depth: 0.045 inches maximum nut
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.495 inches minimum and 0.505 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.998 inches minimum and 1.002 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 24
Hardness Rating: 49.0 rockwell c maximum
Nominal Thread Size: 0.312 inches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-957-7862	No Name Available	08/02/1968

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
13605NM-054	Plate Self-Locking Nut
5310PL0854081	Plate Self-Locking Nut
F52LHTA521-054	Plate Self-Locking Nut
MS21059-5	Plate Self-Locking Nut
NAS686X5	Plate Self-Locking Nut
RF200X5	Plate Self-Locking Nut
T65S524SCPC	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-777-5774?

The FSCG of the NSN 5310-00-777-5774 is 5310

Does the NSN 5310-00-777-5774 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-777-5774 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 5310-00-777-5774 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-777-5774 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 5310-00-777-5774 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960