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Serving our customers with quality and safety first.
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Datasheet. NAS1640-4P specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.115in. and 0.124in. ⁓1/8"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.212in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.025in. and 0.031in.
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
35.0 rockwell c and 45.0 rockwell c
A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.
black
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 302 or steel comp 303 or 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.
66 fed std all material responses
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
oxide film
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
MIL-C-13924, cl 3 mil spec single treatment response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
split HELICAL-Right hand
The document designator of the specification or standard which established the item of supply.
80205-NAS1640 professional/industrial association standard
Answers.
Split helical-right hand
Steel comp 302 or steel comp 303 or steel comp 304
0.025 inches minimum and 0.031 inches maximum
0.212 inches maximum
0.115 inches minimum and 0.124 inches maximum
Schedule B number: 7318210000
nmfc 194160
Spring washers and other lock washers, 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 5310-00-935-3738 WASHER,LOCK
split helical-right hand oxide film surface treated 0.025" material thickness 0.212" outside diameter 0.115" hole diameter
- NIIN
- 009353738
- NIIN Date
- 02/28/68
- Schedule B
- 7318210000
- Name Code
- 14218
- FIIG
- A022B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $1.23 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. | FFW84 | Cage 81348 |
Major End Users Countries and entities
- - Department of The Navy
- - Department of The Air Force
- - U.s. Marine Corps
- - Poland
- - Brazil
- - Spain
- - Singapore
- - Malaysia
- - Australia
- - Canada
- - Republic of Korea
- - Netherlands
- - Italy
- - Norway
- - Greece
- - Turkey
Availability for NAS1640-4P A member of our team will provide you with a price and availability quote
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 50.0
- 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 hardware
- NMFC (national motor freight code)
- 194160 WASHER OR GASKETS, IRON OR STEEL,
- UFC (universal freight code)
- 55210
Similar by Design Other washers with similar characteristics
Nothing similar to this part number was found in our inventory
NAS1640-4P / Washer,lockWhat is the formal definition of this item?
A washer which is usually round with a centrally located hole. its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. it may be made of one or two pieces
