F12191-3-4

View detailed technical data, stock status, and sourcing information for: F12191-3-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-049-2207

Item Name Code

05280

Assigment Date

10/13/1977 (48 years ago)

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

3b thread class, right-hand thread direction, 0.236 inches nominal distance from centerline to flat, dry film lubricant lubrication, 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
Distance From Centerline To Flat: 0.236 inches nominal
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: 0.617 inches maximum
Nut Height: 0.333 inches nominal
Plate Thickness: 0.036 inches nominal
Plate Width: 0.502 inches maximum
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Mounting Hole Center To Base: 0.100 inches nominal
Center To Center Distance Between Mounting Holes Along Width: 0.217 inches minimum and 0.221 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: steel comp 1030 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
5310PL0741335	Plate Self-Locking Nut
5310PL1758365	Plate Self-Locking Nut
C7929A4-3	Plate Self-Locking Nut
F12191-3-4	Plate Self-Locking Nut
NS202134-4-3	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-049-2207?

The FSCG of the NSN 5310-01-049-2207 is 5310

Does the NSN 5310-01-049-2207 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-049-2207 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 5310-01-049-2207 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-049-2207 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 5310-01-049-2207 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Oct 13, 1977