Machine Thread Plug

Model / MPN: MS51840-21SS | NSN: 5365-01-273-6918

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

5365-01-273-6918

Sold in multiples of

1 EA

DEMIL

Thread Class

2a external

Thread Direction

Right-hand external

Thread Length

0.214 inches external and 0.239 inches external

Head Height

Between 0.278 inches and 0.328 inches

Overall Length

Between 0.580 inches and 0.620 inches

Connection Style

Plain

Body Core Diameter

Between 0.078 inches and 0.108 inches

Core Depth

Between 0.520 inches and 0.560 inches

Head Type

Solid

Body Type

Cored

Thread Size

0.313 inches external

Material

Steel comp 304 or steel comp 316 or steel comp 303

Material Specification

Qq-s-763 federal specification 1st material response or qq-s-763 federal specification 2nd material response or astm a582 assn standard 3rd material response

Surface Treatment

Passivate

Surface Treatment Specification

Astm a380 assn standard single treatment response

Style Designator

Plug, machine

Thread Series Designator

Unf external

MS51840 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

MS51840-21SS Cross Reference

970-27660 ITEM 3
30089-37545-30
34594
34581
0740819