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91D4MA Knob

5355-00-727-1487

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Official Item Classification

Name
Knob
Part Number
91D4MA
(NSN) National Stock Number
5355-00-727-1487
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5355 Knobs and Pointers
(INC) Item Name Code
03263
(FIIG) Federal Item Identification Guide
A530M0
Date
01/01/1961 (65 years ago)

0.320 inches minimum counterbore depth, 0.640 inches minimum counterbore diameter, 0.252 inches minimum and 0.254 inches maximum inside diameter, 0.484 inches maximum distance from hole center to knob/skirt base, 2 setscrew hole quantity

Specs & Compatibility

Inside Diameter

0.252 inches minimum and 0.254 inches maximum

Counterbore Diameter

0.640 inches minimum

Counterbore Depth

0.320 inches minimum

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

counterbored

Outside Diameter

0.890 inches minimum and 0.930 inches maximum

Skirt Style

flared

Attachment Method

setscrews

Overall Thickness

0.980 inches minimum and 1.040 inches maximum

End Item Identification

forrestal class cv,spruance class dd (963),helicopter, carrier based asw, sh-60f,ticonderoga class cg (47),sonar sets, an/bqs-14a/15,virginia class cgn (41),helicopter, uscg search and rescue, hh-60j, missile systems, nato sea sparrow,sturgeon class ssn (637),helicopter, search and rescue, hh-60h

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

1.525 inches maximum

Skirt Design

nondetachable

Color

black, lusterless

Style Designator

round

Thread Series Designator

unc screw hole

Replacement For

Part Number Description
5355-00-284-5672 No Name Available 01/01/2009
5355-00-706-3804 No Name Available 07/06/1998
5355-00-877-3023 No Name Available 11/01/1991

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0003263

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Frequently Asked Questions

What is the FSCG of the NSN 5355-00-727-1487?
The FSCG of the NSN 5355-00-727-1487 is 5355
Does the NSN 5355-00-727-1487 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-727-1487 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 5355-00-727-1487 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-727-1487 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 5355-00-727-1487 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961