KMS12F21NR

View detailed technical data, stock status, and sourcing information for: KMS12F21NR
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-579-1210

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

A tubular item, so formed as to provide a spring action against the inside wall of a hole when driven into abutting pieces to position and hold them in place.

0.750 inches minimum counterbore diameter, 0.427 inches maximum distance from hole center to knob/skirt base, 0.252 inches minimum and 0.254 inches maximum inside diameter, 2 setscrew hole quantity, 0.250 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: 0.252 inches minimum and 0.254 inches maximum
Counterbore Diameter: 0.750 inches minimum
Counterbore Depth: 0.250 inches minimum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.427 inches maximum
Overall Depth: 0.605 inches minimum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: counterbored
Outside Diameter: 1.240 inches minimum and 1.280 inches maximum
Skirt Style: flared
Reference Marking: arrow
Attachment Method: setscrews
Overall Thickness: 0.820 inches minimum and 0.880 inches maximum
End Item Identification: aircraft, c-2a (reprocured), tactical air opns module (an/tyq-(23),helicopter, mh-53e, helicopter, advance attack, ah-1w,an/srn-25(v) navigation radio set,radio transmitter set, an/urt-23 (rts),fire control system, mk 92 (fcs),support equipment, b-52 aircraft,sonar acoustic miscellaneous,surface minesweeping systems
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: 1.837 inches maximum
Skirt Design: nondetachable
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Below is a list of NSNs that have been officially superseded by this NSN: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
5355-00-045-7838	No Name Available	03/01/1984
5355-00-097-9066	No Name Available	08/01/1994
5355-00-584-4389	No Name Available	01/01/1963
5355-00-667-6705	No Name Available	01/01/1963
5355-00-680-8528	No Name Available	07/20/1967
5355-00-682-6574	No Name Available	12/25/1965
5355-00-926-5293	No Name Available	04/07/1969
5355-00-935-7678	No Name Available	12/01/1976
5355-01-109-0378	No Name Available	05/01/1986
5355-01-109-0379	No Name Available	05/01/1986
5355-01-157-1870	No Name Available	08/01/1999
5355-01-258-2156	No Name Available	07/01/1992
5355-01-276-0625	No Name Available	07/01/1992

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:

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121C4MA	Knob
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125-3WD-1G	Knob
12L2DM	Knob
222730-301	Knob
231-1059G18	Knob
281-0141-00	Knob
281-0141-000	Knob
3F2B	Knob
512-3WA-2M	Knob
5355005791210	Knob
733394-3REVA	Knob
8996698	Knob
908D722-103	Knob
990988-03	Knob
KMS12F21NR	Knob
MP0001	Knob
MS91528-3F2B	Knob
SMB185778-3	Knob
ZS231-1059G18ISSUE10	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-579-1210?

The FSCG of the NSN 5355-00-579-1210 is 5355

Does the NSN 5355-00-579-1210 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-579-1210 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 5355-00-579-1210 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-00-579-1210 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 5355-00-579-1210 was assigned to the Federal Catalog?

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