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Datasheet. 40398-4 FIND NO 25 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.
hexagon
0.258in. and 0.273in. ⁓9/32"
The national stock number or the identification information of the end equipment for which the item is a part.
valve
The shortest straight line between flats,perpendicular to the height.
0.489in. and 0.500in. ⁓1/2"
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.
1000.0 deg fahrenheit
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unc
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
18
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
65.0 rockwell b and 95.0 rockwell b
A designation that is used for the purpose of general identification of the thread.
0.312in. ⁓5/16"
Indicates the type of bearing surface.
chamfered
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.
data export prohibited
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 304
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
astm f 594 assn std single material response
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
1 type
Answers.
Steel comp 304
18
Right-hand
2b
Schedule B number: 7318160000
nmfc 093486
Nuts of iron or steel
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 5310-01-377-7320 NUT,PLAIN,HEXAGON
Used on VALVE. data export prohibited 18 thread quantity per inch right-hand 2b thread class
- NIIN
- 013777320
- NIIN Date
- 07/23/93
- Schedule B
- 7318160000
- Name Code
- 01857
- FIIG
- A021A0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $25.83 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 40444-4 FIND NO 25 | Cage 55378 |
| 2. | 40490-9 FIND NO 25 | Cage 55378 |
| 3. | 40506-4 FIND NO 25 | Cage 55378 |
| 4. | 40506-9 ITEM 25 | Cage 55378 |
| 5. | 164-19 | Cage 55378 |
Major End Users Countries and entities
- - Department of The Navy
- - Australia
Availability for 40398-4 FIND NO 25 A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- Rating variable
- 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)
- 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
- UFC (universal freight code)
- 48950
Similar by Design Other nuts with similar characteristics
Nothing similar to this part number was found in our inventory
40398-4 FIND NO 25 / 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.)
