ST3M442-5A2

View detailed technical data, stock status, and sourcing information for: ST3M442-5A2

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ST3M442-5A2
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-134-5775
Item Name Code
05280
Assigment Date
07/06/1982 (44 years ago)

An item formed from sheet spring material into varying flat, concave, curved, or nutlike design. It has an aperture with an elliptical-shaped hole or suitable lugs or prongs designed to retain threaded or unthreaded stud like projecting memebers. When pushed on, it grips by imbedding into the material of the projecting memebers, and does not mate with a thread helix. See also ring, retaining.

3b thread class, 0.317 inches minimum first end counterbore diameter, right-hand thread direction, prevailing torque all metal design locking feature, dry film lubricant lubrication

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 first end
Lubrication
dry film lubricant
Mounting Hole Diameter
0.130 inches minimum and 0.135 inches maximum
Nut Style
plate
Nut Length
1.396 inches maximum
Nut Height
0.388 inches maximum
Plate Thickness
0.040 inches nominal
Plate Width
0.650 inches maximum
Removable Nut Manufacturer Code
76301
Nut Counterbore Depth
0.125 inches minimum first end
Nut Mounting Provision
straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
0.500 inches nominal
Center To Center Distance Between Mounting Holes Along Length
0.312 inches nominal
Removable Nut Manufacturer Part Number
st3m445c5m2
Thread Series
unjf
Thread Quantity Per Inch
24
Nominal Thread Size
0.312 inches
Material
iron alloy 660 overall
Material Document And Classification
ams 5525 assn std single material response or ams 5732 assn std single material response overall
Surface Treatment
passivate base
Surface Treatment
nickel or copper or nickel and copper nut

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
10109705 Plate Self-Locking Nut
BFN442-5-2 Plate Self-Locking Nut
F18427L2-5 Plate Self-Locking Nut
F49251E5-2 Plate Self-Locking Nut
NS202042-054-2 Plate Self-Locking Nut
ST3M442-5A2 Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-134-5775?
The FSCG of the NSN 5310-01-134-5775 is 5310
Does the NSN 5310-01-134-5775 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-134-5775 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 5310-01-134-5775 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-134-5775 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 5310-01-134-5775 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Tue, Jul 6, 1982

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