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Datasheet. MS51860-57Z specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2b
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
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
tube fitting locknut
0.360in. and 0.380in. ⁓25/64"
The shortest straight line between flats,perpendicular to the height.
1.125in. ⁓1-1/8"
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unf
The length of a straight line which passes through the center of the packing recess,and terminates at the circumference.
0.880in. and 0.895in.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
14
A designation that is used for the purpose of general identification of the thread.
0.875in. ⁓7/8"
The nominal length of a straight line which passes through the center of a tube,and terminates at the outside circumference.
0.625in.
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
locknot, bulkhead, 37 deg flared and flareless type, hydraulic
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
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.
zinc
Answers.
1EA
Steel
14
Right-hand
2b
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 4730-01-466-6674 LOCKNUT,TUBE FITTING
zinc surface treated locknot, bulkhead, 37 deg flared 14 thread quantity per inch right-hand 2b thread class
- NIIN
- 014666674
- NIIN Date
- 07/28/99
- Schedule B
- Name Code
- 17645
- FIIG
- A021A0
- QUP
- 1
- Historical Price
- $1.95 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Department of The Army
- - Australia
- - Canada
- - New Zealand
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MS51860-57Z / Locknut,tube fittingWhat is the formal definition of this item?
An item with internal machine threads designed to fit the external machine threads of a tube fitting. it has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. the item, when installed, provides a method of locking and sealing the connection. see also locknut, pipe; nut (1), tube coupling and nut (1), plain, hexagon.
