MS91528-1U4B MOD

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-478-2959

Item Name Code

03263

Assigment Date

09/06/2000 (25 years ago)

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

grip aid gripping surface condition, 0.750 inches nominal width, 2 setscrew hole quantity, 0.252 inches nominal inside diameter, 0.392 inches nominal distance from hole center to knob/skirt base

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inside Diameter: 0.252 inches nominal
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.392 inches nominal
Width: 0.750 inches nominal
Gripping Surface Condition: grip aid
Shaft Accommodation Style: flatted one side
Skirt Style: stepped
Reference Marking: line
Attachment Method: setscrews
Inside Width: 0.222 inches nominal
Overall Thickness: 0.870 inches nominal
End Item Identification: 2350-01-436-0005;armored reconnaissance-airborne assa:fighting vehicle systems,bradley(bfvs)
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Skirt Outside Diameter: 0.485 inches nominal
Skirt Design: nondetachable
Pointer Design: nondetachable
Material: plastic
Style Designator: pointer
Thread Series Designator: unc screw hole

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
12986331	Knob
MS91528-1U3B MOD	Knob
MS91528-1U4B MOD	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-478-2959?

The FSCG of the NSN 5355-01-478-2959 is 5355

Does the NSN 5355-01-478-2959 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-478-2959 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 5355-01-478-2959 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-478-2959 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 5355-01-478-2959 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Wed, Sep 6, 2000