MS21054-4
View detailed technical data, stock status, and sourcing information for: MS21054-4
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A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.
0.098 inches minimum and 0.103 inches maximum mounting hole diameter, 0.340 inches maximum overall height, right-hand thread direction, prevailing torque all metal design locking feature, 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
- Overall Height
- 0.340 inches maximum
- Mounting Hole Diameter
- 0.098 inches minimum and 0.103 inches maximum
- Nut Style
- plate
- Nut Length
- 1.252 inches maximum
- Nut Height
- 0.340 inches maximum
- Plate Thickness
- 0.055 inches maximum
- Plate Width
- 0.535 inches minimum and 0.619 inches maximum
- 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
- 0.310 inches minimum and 0.314 inches maximum
- Temp Rating
- 800.0 fahrenheit maximum
- Thread Series
- unjf
- Thread Quantity Per Inch
- 28
- Hardness Rating
- 49.0 rockwell c maximum
- Nominal Thread Size
- 0.250 inches
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum nut
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall
- Precious Material And Location
- on nut silver
- Precious Material
- silver
- Surface Treatment
- silver overall
- Surface Treatment Document And Classification
- ams 2410 assn std single treatment response 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 |
|---|---|
| MS21054-4 | Plate Self-Locking Nut |
| MS21054C04 | Plate Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-01-394-7895?
Does the NSN 5310-01-394-7895 have a Schedule B code assigned?
Does NSN 5310-01-394-7895 require demilitarization?
Does NSN 5310-01-394-7895 contain precious materials?
Does NSN 5310-01-394-7895 contain hazardous materials?
When the NSN 5310-01-394-7895 was assigned to the Federal Catalog?
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