F19421-4-4

View detailed technical data, stock status, and sourcing information for: F19421-4-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-050-6562

Item Name Code

05280

Assigment Date

11/12/1977 (48 years ago)

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

3b thread class, 0.098 inches minimum and 0.103 inches maximum mounting hole diameter, prevailing torque all metal design locking feature, dry film lubricant lubrication, right-hand thread direction

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
Lubrication: dry film lubricant
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 1.270 inches maximum
Nut Height: 0.460 inches maximum
Plate Thickness: 0.025 inches minimum and 0.035 inches maximum
Plate Width: 0.470 inches minimum and 0.505 inches maximum
Nut Counterbore Depth: 0.187 inches nominal nut
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Mounting Hole Center To Base: 0.120 inches nominal
Center To Center Distance Between Mounting Holes Along Length: 0.998 inches minimum and 1.002 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: steel overall
Material Document And Classification: ams 5525 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec 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
13601-048-4Y	Plate Self-Locking Nut
C7510A4-4	Plate Self-Locking Nut
F19421-4-4	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-050-6562?

The FSCG of the NSN 5310-01-050-6562 is 5310

Does the NSN 5310-01-050-6562 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-050-6562 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 5310-01-050-6562 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-050-6562 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 5310-01-050-6562 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Nov 12, 1977