D91A4MA

View detailed technical data, stock status, and sourcing information for: D91A4MA
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-667-9826

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

2 setscrew hole quantity, 0.640 inches minimum counterbore diameter, 0.114 inches minimum counterbore depth, 0.252 inches minimum and 0.254 inches maximum inside diameter, 0.260 inches maximum 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 minimum and 0.254 inches maximum
Counterbore Diameter: 0.640 inches minimum
Counterbore Depth: 0.114 inches minimum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.260 inches maximum
Overall Depth: 0.520 inches minimum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: counterbored
Outside Diameter: 0.890 inches minimum and 0.930 inches maximum
Attachment Method: setscrews
Overall Thickness: 1.106 inches minimum and 1.206 inches maximum
End Item Identification: forrestal class cv,precision landing radar an/fpn-62,sonar, an/bsy-1(v),virginia class cgn (41),los angeles class ssn (688),teletype, model 28,spruance class dd (963),ticonderoga class cg (47),communications terminal, an/ugc-74
Material Transparency: opaque
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Special Features: tactile form 4-gain
Style Designator: round
Thread Series Designator: unc screw hole
Specification/Standard Data: 96906-ms91528 government standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5355-00-733-9274	No Name Available	12/17/1965
5355-00-841-8144	No Name Available	12/25/1965

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
2N2B4	Knob
509-1-2M-4	Knob
90-1-2G4	Knob
90-1WD-2G-4	Knob
D91A4MA	Knob
KMS2N2L4	Knob
KMS9N2L4	Knob
MS91528-2N2B4	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-667-9826?

The FSCG of the NSN 5355-00-667-9826 is 5355

Does the NSN 5355-00-667-9826 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-667-9826 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 5355-00-667-9826 contain precious materials?

Precious metal content is unknown

Does NSN 5355-00-667-9826 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 5355-00-667-9826 was assigned to the Federal Catalog?

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