Machine Thread Plug

Model / MPN: MS51840-22P | NSN: 5365-01-617-6510

An item with a cylindrical shaped body having external threads other than pipe or hose series. It is desinged to mate into a preformed threaded component for the purpose of plugging a hole during equipment operation. It may have a head and/or internal drive and may contain a bleeder hole. See also plug, protective, dust and moisture seal and cap-plug, protective, dust and moisture seal. Excludes plug, tube fitting, threaded.

Product Details

NATO Stock Number

5365-01-617-6510

Sold in multiples of

DEMIL

Thread Class

2a external

Thread Direction

Right-hand external

Thread Length

0.292 inches and 0.302 inches external

Head Height

0.303 inches

Overall Length

Between 0.58 inches and 0.62 inches

Connection Style

Plain

Head Type

Solid

Thready Qty Per Inch (tpi)

24 external

Thread Size

0.375 inches external

Part Name Assigned By Controlling Agency

Plug, machine thread, o-ring

Material

Steel comp 1113 or steel comp 1117 or steel comp 1118 or steel comp 1137

Material Specification

Sae air4127 assn standard all material responses

Media For Which Designed

Hydraulic fluid

Surface Treatment

Phosphate

Surface Treatment Specification

Mil-dtl-16232, type m, class 1 military specification single treatment response

Style Designator

Plug, machine

Thread Series Designator

Unf external

MS51840 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE4A618T8346	Plug, Machine Thread	32	EA	11/24/2017
SPE4A618T87V4	Plug, Machine Thread	33	EA	09/17/2018

Pricing and Availability

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Machine Thread Plug

Pricing and Availability

Certified Quality Assurance

MS51840-22P Cross Reference