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Serving our customers with quality and safety first.
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Datasheet. R398 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b
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
0.598in.
The distance measured in a straight line from the bottom to the top of an item.
0.458in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
double hexagon
The shortest straight line between flats,perpendicular to the height.
0.430in. and 0.439in. ⁓29/64"
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unf
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
24
A designation that is used for the purpose of general identification of the thread.
0.375in. ⁓3/8"
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.
theat TREATMENT-Solution treated at 1800 deg.f plus/minus 50 deg for 1 to 4 hrs and oil quench or air cool.ageharden at 1300 DEG-1400 degf for 16 hr.and air cool; HARDNESS-Esna RC27-40, kaynar RC32-48, sps RC35-42, VOI-Shan rc 32-44
The chemical compound or mechanical mixture properties of which the item is fabricated.
iron alloy 660
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
AMS5735 assn std single material response
Answers.
Iron alloy 660
24
Right-hand
3b
Schedule B number: 7318160000
nmfc 095760
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 5310-01-262-6314 NUT,SELF-LOCKING,EXTENDED WASHER
theat treatment-solution treated at 1800 deg.f plus/minus 50 deg for 1 to 4 hrs 24 thread quantity per inch right-hand 3b thread class
- NIIN
- 012626314
- NIIN Date
- 09/02/87
- Schedule B
- 7318160000
- Name Code
- 29729
- 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | H33-6 | Cage 15653 |
| 2. | BH00190-6 | Cage 27238 |
| 3. | FN1216-624 | Cage 56878 |
| 4. | VN405B064 | Cage 92215 |
| 5. | R398P4 | Cage 07482 |
| 6. | LH3417-064 | Cage 72962 |
| 7. | R398P4B | Cage 07482 |
| 8. | R398P4C | Cage 07482 |
| 9. | R398P4D | Cage 07482 |
| 10. | R398P4E | Cage 07482 |
| 11. | R398P4F | Cage 07482 |
| 12. | R398P4H | Cage 07482 |
Major End Users Countries and entities
- - Department of The Navy
- - Brazil
- - Spain
- - Singapore
- - Malaysia
- - Republic of Korea
- - Portugal
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- 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)
- 50.0
- 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)
- Bolts or nuts (iron or steel),(less than 35 feet)
- NMFC (national motor freight code)
- 095760 LOCKS/LOCK SETS NOI METAL IN BBL/BX
- UFC (universal freight code)
- 50130
Similar by Design Other nuts with similar characteristics
Nothing similar to this part number was found in our inventory
R398 / Nut,self-locking,extended washerWhat is the formal definition of this item?
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. an integral feature is incorporated for locking on the threads of a mating member.
