MS21077-7

View detailed technical data, stock status, and sourcing information for: MS21077-7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-802-4620

Item Name Code

05280

Assigment Date

01/01/1963 (63 years ago)

dry film lubricant lubrication, right-hand thread direction, prevailing torque with nonmetallic insert locking feature, 3b thread class, 0.161 inches minimum and 0.166 inches maximum mounting hole 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 with nonmetallic insert
Lubrication: dry film lubricant
Mounting Hole Diameter: 0.161 inches minimum and 0.166 inches maximum
Nut Style: plate
Nut Length: 1.477 inches maximum
Nut Height: 0.504 inches maximum
Plate Thickness: 0.115 inches maximum
Plate Width: 0.719 inches maximum
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.562 inches nominal
Center To Center Distance Between Mounting Holes Along Length: 1.123 inches minimum and 1.127 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Features Provided: floating nut
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.437 inches
Countersink Angle: 120.0 degrees nominal nut
Material: aluminum or steel shell
Material: plastic polyamide (nylon) locking insert
Material: steel nut
Surface Treatment: anodize or oxide film or cadmium shell
Surface Treatment: cadmium nut
Surface Treatment Document And Classification: mil-a-8625 type 1 mil spec 1st treatment response or mil-c-5541 mil spec 2nd treatment response or qq-p-416 fed spec 3rd treatment response shell
Surface Treatment Document And Classification: qq-p-416 fed spec single treatment response nut
Specification/Standard Data: 80205-nas1031 professional/industrial association standard

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
856639-00	Plate Self-Locking Nut
FNA401Q-070	Plate Self-Locking Nut
MS21077-7	Plate Self-Locking Nut
NAS1031N7	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-802-4620?

The FSCG of the NSN 5310-00-802-4620 is 5310

Does the NSN 5310-00-802-4620 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-802-4620 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 5310-00-802-4620 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-802-4620 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 5310-00-802-4620 was assigned to the Federal Catalog?

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