MS21076-5

View detailed technical data, stock status, and sourcing information for: MS21076-5

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MS21076-5
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-764-6601
Item Name Code
05280
Assigment Date
01/01/1961 (65 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

3b thread class, 0.317 inches minimum nut counterbore diameter, 0.130 inches minimum and 0.135 inches maximum mounting hole diameter, right-hand thread direction, prevailing torque all metal design 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
3b
Thread Direction
right-hand
Locking Feature
prevailing torque all metal design
Counterbore Diameter
0.317 inches minimum nut
Mounting Hole Diameter
0.130 inches minimum and 0.135 inches maximum
Nut Style
plate
Nut Length
1.010 inches maximum
Nut Height
0.328 inches maximum
Plate Thickness
0.160 inches maximum
Plate Width
0.412 inches minimum and 0.581 inches maximum
Nut Counterbore Depth
0.062 inches minimum nut
Nut Mounting Provision
straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
0.354 inches minimum and 0.364 inches maximum
Center To Center Distance Between Mounting Holes Along Length
0.716 inches minimum and 0.720 inches maximum
Temp Rating
800.0 fahrenheit nominal
Thread Series
unf
Features Provided
floating nut
Thread Quantity Per Inch
24
Hardness Rating
49.0 rockwell c maximum
Nominal Thread Size
0.312 inches
Material
iron alloy 660 overall
Material Document And Classification
ams 5525 assn std single material response or ams 5735 assn std single material response or ams 5737 assn std single material response overall
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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-982-3359 No Name Available 10/01/1982
5310-01-337-7026 No Name Available 03/01/1993

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
MA 13700-054 Plate Self-Locking Nut
MS21076-5 Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-764-6601?
The FSCG of the NSN 5310-00-764-6601 is 5310
Does the NSN 5310-00-764-6601 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-764-6601 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 5310-00-764-6601 contain precious materials?
Item contains silver.
Does NSN 5310-00-764-6601 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 5310-00-764-6601 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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