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Datasheet. 2151693-1 specification
The national stock number or the identification information of the end equipment for which the item is a part.
alco 251 marine diesel engine
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
20
The nominal length of a straight line which passes through the center of the threaded hole,and terminates at the circumference.
0.250in.
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
hex nut, 1/4-20
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.
used on lubricating oil filter
Answers.
20
FSC 5310 ⁓ Nuts and washers
Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.
Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).
NSN 5310-01-470-1888 NUT,PLAIN,HEXAGON
Used on alco 251 marine diesel engine. used on lubricating oil filter hex nut, 1/4-20 20 thread quantity per inch
- NIIN
- 014701888
- NIIN Date
- 12/09/99
- Schedule B
- Name Code
- 01857
- FIIG
- A021A0
- 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
- - Malaysia
- - Australia
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2151693-1 / Nut,plain,hexagonWhat is the formal definition of this item?
A nut, flat on top and bottom having 6 flat sides. for items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. see also locknut, tube fitting. for items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
