1WW2B

View detailed technical data, stock status, and sourcing information for: 1WW2B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-055-6957

Item Name Code

03263

Assigment Date

02/10/1978 (48 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes:bearing, plain, spherical and bearing, plain, self-aligning.

0.485 inches minimum counterbore diameter, 0.369 inches maximum distance from hole center to knob/skirt base, 0.252 inches minimum and 0.254 inches maximum inside diameter, 0.188 inches minimum counterbore depth, 2 setscrew hole quantity

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 minimum and 0.254 inches maximum
Counterbore Diameter: 0.485 inches minimum
Counterbore Depth: 0.188 inches minimum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.369 inches maximum
Overall Depth: 0.568 inches minimum
Width: 0.690 inches minimum and 0.730 inches maximum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: counterbored
Length: 1.020 inches minimum and 1.070 inches maximum
Skirt Style: stepped
Reference Marking: indicator line
Attachment Method: setscrews
Overall Thickness: 0.752 inches minimum and 0.812 inches maximum
End Item Identification: v, anti-tank,carrier, pers m-113a1, m-113a2,m-113a3
Material Transparency: opaque
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Skirt Outside Diameter: 1.000 inches maximum
Skirt Design: nondetachable
Pointer Design: nondetachable
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
1WW2B	Knob
507-5PL-2M	Knob
KMS7K W/PHOSPHORESCENT LINE 2L	Knob
MS91528-1WW2B	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-055-6957?

The FSCG of the NSN 5355-01-055-6957 is 5355

Does the NSN 5355-01-055-6957 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-055-6957 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 5355-01-055-6957 contain precious materials?

Precious metal content is unknown

Does NSN 5355-01-055-6957 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 5355-01-055-6957 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Feb 10, 1978