C91B4MA

View detailed technical data, stock status, and sourcing information for: C91B4MA
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-667-5522

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

0.845 inches nominal shank diameter, 0.252 inches minimum and 0.254 inches maximum inside diameter, straight shank style, 0.235 inches nominal shank length, 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
Shank Length: 0.235 inches nominal
Shank Diameter: 0.845 inches nominal
Shank Style: straight
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.484 inches maximum
Overall Depth: 0.730 inches minimum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: round
Outside Diameter: 0.890 inches minimum and 0.930 inches maximum
Skirt Style: ring
Attachment Method: setscrews
Overall Thickness: 1.325 inches minimum and 1.425 inches maximum
End Item Identification: kidd class ddg,los angeles class ssn (688),ticonderoga class cg (47),spruance class dd (963),forrestal class cv,arleigh burkeclass ddg, aircraft,
Material Transparency: opaque
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Skirt Outside Diameter: 0.640 inches minimum
Skirt Design: nondetachable
Special Features: w/tactile form-dimmer
Material: steel corrosion resisting
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Below is a list of NSNs that have been officially superseded by this NSN: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
5355-00-644-1481	No Name Available	07/20/1967
5355-00-759-6435	No Name Available	02/01/1978

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
2D2B3	Knob
509-2-2M-3	Knob
90-2-2G3	Knob
C91B4MA	Knob
KMS9D2L3	Knob
MS91528-2D2B3	Knob
ZD231-1057G23	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-667-5522?

The FSCG of the NSN 5355-00-667-5522 is 5355

Does the NSN 5355-00-667-5522 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-667-5522 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 5355-00-667-5522 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-00-667-5522 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 5355-00-667-5522 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963