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Datasheet. 45-11311SP specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
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
Indicates whether or not a ferrous alloy object has been subjected to a process whereby the outer portion is made substantially harder than the inner portion or core.
not casehardened
Designates the thread diameter and number of threads per specific measurement scale.
9/16IN-18
A designation distinguishing one group of screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf
Indicates the location of the screw thread.
external
0.875in.
The smallest length of a straight line which passes through the center of the two surfaces of a circular item,and terminates at the inside circumference.
0.250in.
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
inner sleeve included
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.
steel, corrosion resisting
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel corrosion resisting
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
hexagon, external thread, internal shoul der
Answers.
Hexagon, external thread, internal shoul der
Steel corrosion resisting
Right-hand
3a
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 4730-00-501-6199 PACKING NUT
hexagon, external thread, internal shoul der inner sleeve included right-hand 3a thread class
- NIIN
- 005016199
- NIIN Date
- 07/06/74
- Schedule B
- Name Code
- 18028
- FIIG
- T385-E
- 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
Major End Users Countries and entities
- - National Aeronautics And Space Administration
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45-11311SP / Packing nutWhat is the formal definition of this item?
An item having internal and/or external machine thread(s) (threads other than pipe or hose series), specifically designed to retain, by means or groove(s), shoulder(s), and the like, packing and/or a packing gland within a stuffing box. see also bushing, machine thread; inverted nut, tube coupling; and nut, tube coupling. excludes packing nut, stuffing tube; and use with electrical cable, and locknut, pipe.
