0428C20

View detailed technical data, stock status, and sourcing information for: 0428C20

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0428C20
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-045-4732
Item Name Code
05277
Assigment Date
01/01/1961 (65 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

right-hand thread direction, 0.275 inches minimum and 0.295 inches maximum nut height, 3b thread class, free-running all metal design locking feature, hexagon nut style

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
free-running all metal design
Nut Style
hexagon
Nut Height
0.275 inches minimum and 0.295 inches maximum
Width Across Flats
0.400 inches minimum and 0.428 inches maximum
Thread Series
unf
Thread Quantity Per Inch
28
Nominal Thread Size
0.250 inches
Material
steel corrosion resisting overall
Surface Treatment
passivate 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
0428C20 Hexagon Self-Locking Nut
K20666 Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-045-4732?
The FSCG of the NSN 5310-00-045-4732 is 5310
Does the NSN 5310-00-045-4732 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-045-4732 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 5310-00-045-4732 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-045-4732 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 5310-00-045-4732 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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