NAS1291C5

View detailed technical data, stock status, and sourcing information for: NAS1291C5
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-288-9546

Item Name Code

29730

Assigment Date

11/17/1988 (37 years ago)

A switch that is externally actuated by a device such as a push rod or button, which requires pushing for each actuation. The action may be momentary, with mechanical return. It consists of a body,switch and a push button. The item may include provisions for mounting indicating lamps or light emitting diodes in the actuator. Includes items consisting of individually separable switches that are physically interlocked, that have a common actuator, or are electrically connected. Excludes: light-switch; light-switch assembly; switch,beam selecting,headlight; switch,foot; switch,interlock; switch,pressure; switch,push-pull; switch,sensitive and switch assembly. For devices which start, stop, reverse, select and/or regulate the speed of a motor, see starter,motor and controller,motor.

prevailing torque all metal design locking feature, 0.253 inches minimum and 0.266 inches maximum overall height, 0.520 inches nominal washer outside diameter, right-hand thread direction, 3b thread class

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.520 inches nominal
Overall Height: 0.253 inches minimum and 0.266 inches maximum
Nut Style: hexagon
Washer Thickness: 0.023 inches minimum
Width Across Flats: 0.367 inches minimum and 0.378 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Hardness Rating: 49.0 rockwell c maximum
Nominal Thread Size: 0.312 inches
Material: steel corrosion resisting overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 1 or 2 fed spec single treatment response overall
Specification/Standard Data: 80205-nas1291 professional/industrial association standard

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
NAS1291C5	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-288-9546?

The FSCG of the NSN 5310-01-288-9546 is 5310

Does the NSN 5310-01-288-9546 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-288-9546 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 5310-01-288-9546 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-288-9546 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 5310-01-288-9546 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Nov 17, 1988