MS21061-08K

View detailed technical data, stock status, and sourcing information for: MS21061-08K

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MS21061-08K
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-124-7710
Item Name Code
05280
Assigment Date
01/12/1982 (44 years ago)

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

soluble lubricant lubrication, 3b thread class, prevailing torque all metal design locking feature, right-hand thread direction, 0.168 inches minimum 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
0.168 inches minimum nut
Lubrication
soluble lubricant
Mounting Hole Diameter
0.098 inches minimum and 0.103 inches maximum
Nut Style
plate
Nut Length
1.051 inches maximum
Nut Height
0.250 inches maximum
Plate Thickness
0.032 inches maximum
Plate Width
0.290 inches minimum and 0.422 inches maximum
Nut Counterbore Depth
0.062 inches minimum nut
Nut Mounting Provision
countersunk holes
Mounting Provision Location
opposite nut projection side
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
0.339 inches minimum and 0.349 inches maximum
Center To Center Distance Between Mounting Holes Along Length
0.310 inches minimum and 0.314 inches maximum
Temp Rating
450.0 fahrenheit maximum
Thread Series
unjc
Features Provided
floating nut
Thread Quantity Per Inch
32
Hardness Rating
49.0 rockwell c maximum
Nominal Thread Size
0.164 inches
Mounting Hole Countersink Angle
98.0 degrees minimum and 102.0 degrees maximum
Material
steel overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 fed spec all treatment responses overall

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
F2000-08BCCW Plate Self-Locking Nut
MS21061-08K Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-124-7710?
The FSCG of the NSN 5310-01-124-7710 is 5310
Does the NSN 5310-01-124-7710 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-124-7710 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 5310-01-124-7710 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-124-7710 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 5310-01-124-7710 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Tue, Jan 12, 1982

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