MS1528-1C1B

View detailed technical data, stock status, and sourcing information for: MS1528-1C1B

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MS1528-1C1B
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5355 Knobs and Pointers
National Stock Number
5355-00-958-9986
Item Name Code
03263
Assigment Date
05/20/1966 (60 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

2 setscrew hole quantity, 0.127 inches minimum and 0.129 inches maximum inside diameter, 0.485 inches minimum counterbore diameter, 0.187 inches maximum distance from hole center to knob/skirt base, 0.026 inches minimum counterbore depth

Product Characteristics

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

Inside Diameter
0.127 inches minimum and 0.129 inches maximum
Counterbore Diameter
0.485 inches minimum
Counterbore Depth
0.026 inches minimum
Setscrew Hole Quantity
2
Distance From Hole Center To Knob/Skirt Base
0.187 inches maximum
Overall Depth
0.405 inches minimum
Gripping Surface Condition
grip aid
Shaft Accommodation Style
counterbored
Outside Diameter
0.690 inches minimum and 0.730 inches maximum
Reference Marking
dot
Attachment Method
setscrews
Overall Thickness
0.580 inches minimum and 0.640 inches maximum
Screw Drive Type
hexagon socket
Thread Quantity Per Inch
40 screw hole
Nominal Thread Size
0.112 inches screw hole
Color
black
Style Designator
round
Thread Series Designator
unc screw hole

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5355-00-237-8188 No Name Available 08/01/1998
5355-00-240-1093 No Name Available 11/07/1973
5355-01-030-1883 No Name Available 01/01/1985

Related Parts

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FAQs

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

What is the FSCG of the NSN 5355-00-958-9986?
The FSCG of the NSN 5355-00-958-9986 is 5355
Does the NSN 5355-00-958-9986 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-958-9986 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 5355-00-958-9986 contain precious materials?
Item does not contain precious metal.
Does NSN 5355-00-958-9986 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 5355-00-958-9986 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Fri, May 20, 1966

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