KN-1251B-1/4

View detailed technical data, stock status, and sourcing information for: KN-1251B-1/4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-430-0035

Item Name Code

03263

Assigment Date

04/23/1996 (30 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

round shaft accommodation style, 1.250 inches nominal outside diameter, 2 setscrew hole quantity, 0.251 inches maximum inside diameter, grip aid gripping surface condition

Product Characteristics

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

Inside Diameter: 0.251 inches maximum
Setscrew Hole Quantity: 2
Gripping Surface Condition: grip aid
Shaft Accommodation Style: round
Outside Diameter: 1.250 inches nominal
Attachment Method: setscrews
Overall Thickness: 0.630 inches nominal
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.132 inches screw hole
Color: black
Material: aluminum
Surface Treatment: anodize
Style Designator: round
Thread Series Designator: unc screw hole

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
KN-1251B-1/4	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-430-0035?

The FSCG of the NSN 5355-01-430-0035 is 5355

Does the NSN 5355-01-430-0035 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-430-0035 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 5355-01-430-0035 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-430-0035 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 5355-01-430-0035 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Tue, Apr 23, 1996