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Datasheet. 12759-01220 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
12.2 mm and 12.7 mm
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
21.1 mm
A measurement of the smallest dimension of the material,in distinction from length or width.
2.3 mm and 2.6 mm
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
M12 lock washer
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.
material thickness min 2.35mm, max 2.65mm; material spring steel, hrc 44 to 51; demensions din 127b
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
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.
zinc
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
astm B633, SC1. type iii national std/spec single treatment response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
split HELICAL-Right hand
Answers.
Split helical-right hand
Steel
2.3 millimeters minimum and 2.6 millimeters maximum
21.1 millimeters maximum
12.2 millimeters minimum and 12.7 millimeters maximum
Schedule B number: 8710000090
nmfc 194120
Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
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 5310-01-572-4347 WASHER,LOCK
split helical-right hand zinc surface treated material thickness min 2.35mm, max 2.65mm; material spring steel, hrc 44 to 51; demensions din 127b M12 lock washer 2.3mm material thickness 21.1mm outside diameter 12.2mm hole diameter
- NIIN
- 015724347
- NIIN Date
- 03/11/09
- Schedule B
- 8710000090
- Name Code
- 14218
- FIIG
- A022B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $13.73 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. | 1140385 | Cage 0Y3H3 |
| 2. | 1140385 | Cage 39428 |
| 3. | 517044 | Cage 29355 |
Major End Users Countries and entities
- - Department of The Army
- - Department of The Navy
- - U.s. Marine Corps
- - Department of The Air Force
- - Slovenia
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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)
- 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)
- 194120 WASHERS/GASKETS/PCKG DVCS NOI SUB9
- UFC (universal freight code)
- 95100
Similar by Design Other washers with similar characteristics
Nothing similar to this part number was found in our inventory
12759-01220 / 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
