R398P2

R398P2 Self-locking Extended Washer Nut

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Quality Commitment

Serving our customers with quality and safety first.

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Datasheet. R398P2 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

3b

Thread Direction
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

Locking Feature
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

prevailing torque all metal design

Washer Outside Diameter

0.440in.

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

0.328in.

Nut Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.

double hexagon

Width Across Flats
The shortest straight line between flats,perpendicular to the height.

0.305in. and 0.313in. ⁓21/64"

Temp Rating
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.

1200.0 deg fahrenheit

Thread Series
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

unjf

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

28

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.250in. ⁓1/4"

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

iron alloy 660

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

ams 5735 assn std single material response

Precious Material And Location
An indication of the precious material and its location in the item.

on nut silver

Precious Material
Identification of the precious material contained in the item.

silver

Answers.

What material is the self-locking extended washer nut made of ?

Iron alloy 660

What is the thread quantity per inch?

28

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for R398P2?

5310-00-007-0254

How is this classified for shipping?

Schedule B number: 7318160000
nmfc 093486
Nuts of iron or steel

What's the federal classification of R398P2?

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 5310-00-007-0254 NUT,SELF-LOCKING,EXTENDED WASHER

28 thread quantity per inch right-hand 3b thread class

NIIN
000070254
NIIN Date
06/25/72
Schedule B
7318160000 
Name Code
29729
FIIG
A021A0
Item Weight
20.000lbs
Item Dimensions
--
QUP
 
Historical Price
$6.18 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
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. FN1216-428 Cage 56878
2. LH3417-048 Cage 019L2
3. VN405B048 Cage 06950
4. H33-4GE Cage 15653
5. VN405B048 Cage C4293
6. H33-4 Cage F7652
7. BH00190-4 Cage 27238
8. R398P2A Cage 99207
9. VN405B048 Cage 92215
10. R398P2E Cage 07482
11. H33-4 Cage R1120
12. LH3417-048 Cage 72962
13. H33-4 Cage F6033
14. H33-4 Cage 15653
15. R398P2C Cage 99207
16. R398P2H Cage 07482
17. H33-4 Cage FB009

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Navy 
  • - Department of The Air Force 
  • - Austria 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Malaysia 
  • - Canada 
  • - France 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Netherlands 
  • - Portugal 
  • - Norway 
  • - Greece 
  • - Turkey 

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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)
Bolts or nuts (iron or steel),(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

R398P2 / 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.