MS21939-4L4

MS219394L4 Fluid Passage Bolt

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Datasheet. MS21939-4L4 specification

Body Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.

body wrenching

Concentric Hole Diameter

0.187in.

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

2.869in. ⁓2-7/8"

First End Connection Type
A narrative description of the type of end connection.

threaded external tube

First End Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the end.

flareless

First End Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

First End Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Second End Connection Type
A narrative description of the type of end connection.

threaded external tube

Second End Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the end.

flareless

Second End Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

Second End Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Width Across Flats
The shortest straight line between flats,perpendicular to the height.

0.684in. and 0.691in. ⁓45/64"

First End Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal thread axis.

0.873in.

Second End Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal thread axis.

0.378in.

Wrenching Feature Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the wrenching feature.

hexagon

First Diameter From Wrenching Feature

0.499in.

Second Diameter From Wrenching Feature

0.433in.

Third Diameter From Wrenching Feature

0.499in.

Fourth Diameter From Wrenching Feature

0.364in.

Length From Bearing Surface Of Wrenching Feature To End Of First Diameter

0.354in.

Length From Bearing Surface Of Wrenching Feature To End Of Second Diameter

0.666in.

Length From Bearing Surface Of Wrenching Feature To End Of Third Diameter

0.733in.

Length From Bearing Surface Of Wrenching Feature To End Of Fourth Diameter

1.199in.

First Radial Fluid Hole Diameter

0.189in.

Distance From First Radial Hole Center To End Of Bolt

1.532in.

Length From Bearing Surface Of Wrenching Feature To Bolt End

2.072in.

Wrenching Feature Height

0.344in.

First End Thread Series Designator
A designator distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unjf

First End Seat Angle
The angle of the end surface upon which the mated surface seats.

12.0 degrees

First End Nominal Thread Size
The designation which is used for the purpose of general identification of the nominal thread size.

0.438in.

Second End Seat Angle
The angle of the end surface upon which the mated surface seats.

12.0 degrees

Second End Nominal Thread Size
The designation which is used for the purpose of general identification of the nominal thread size.

0.438in.

Second End Thread Series Designator
A designator distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unjf

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

aluminum

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

anodize

Answers.

What quantity is this sold in?

1EA

What material is the fluid passage bolt made of ?

Aluminum

What is the NSN for MS21939-4L4?

4730-00-338-3765

How is this classified for shipping?

Schedule B number: 7609000000
nmfc 013280
Aluminum tube or pipe fittings (couplings,elbows sleeves)

What's the federal classification of MS21939-4L4?

FSC 4730 ⁓ Hose, pipe, tube, lubrication, and railing fittings

Excluding air conditioning-heating fittings (fsc 4520); bituminized fiber and concrete fittings (fsc 5630); conduit boxes and fittings (fsc 5975); downspout fittings (fsc 5670); medical and surgical fittings (fsc 6515); laboratory fittings (fsc 6640); post caps and rail ends (fsc 5660); machine thread bushings and plugs (fsc 5365).

NSN 4730-00-338-3765 BOLT,FLUID PASSAGE

anodize surface treated 2.869" overall length

NIIN: 003383765
NIIN Date: 01/01/61
Schedule B: 7609000000
Name Code: 18683
FIIG: A121A0
Item Weight: 0.100lbs
Item Dimensions: --
QUP: 1
Historical Price: $19.60 EA
DEMIL / ITAR: Uncontrolled item (Code A)
Hazmat: No hazard information available from HMIRS.
MSDS: N/A
Precious Metals: Metal content unknown
Enviromental: N/A
Electrostatic ESD & EMI: No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1.	ER01304	Cage 14728
2.	ER01304	Cage 79470

Major End Users Countries and entities

- Department of The Navy
- Israel
- Malaysia
- New Zealand
- Germany

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Shipping Information

Special Handling: Other or no special handling required (sh)
LTL (less than a truck load rating): 70.0
LCL (less than a car load rating): Unknown
Special Cargo: No special type of cargo code applicable
Air Freight (Minimum cargo door size required): Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Customs Requirement Classification: Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
Commodity (for shipments via water): Metal and metal products, nos, (less than 35 feet)
NMFC (national motor freight code): 013280 ALUM BOLTS
UFC (universal freight code): 05450

Similar by Design Other bolts with similar characteristics

Nothing similar to this part number was found in our inventory

MS21939-4L4 / Bolt,fluid passageWhat is the formal definition of this item?

A boltlike item having a concentric hole along the longitudinal centerline which may extend a part or the full length of the item. it has a hole(s) perpendicular to the axis, joining or passing through the concentric hole along the longitudinal centerline. the item is designed to distribute fluid, air, or lubricant through its body to a mating item, such as a connector, multiple, fluid pressure line, bearing(s), bushing(s), or the like. the item must be capable of attaching to a block fitting and/or a tubing line or be designed to accommodate a fitting, lubrication. excludes bolt, internally relieved body; bleeder valve, hydraulic system; and bushing, machine thread. see also pin, vehicular leaf spring shackle.