12387327-30

1238732730 Flat Washer

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Datasheet. 12387327-30 specification

Cross-sectional Shape Style
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.

rectangular

Hole Diameter
The length of a straight line which passes through the center of a hole,and terminates at the circumference.

0.521in. and 0.541in. ⁓35/64"

Peripheral Shape Style
The style designation indicating the configuration that most nearly corresponds to the peripheral shape of the item.

round

Center Hole Shape Style
The style designation indicating the configuration that most nearly corresponds to the shape of the center hole.

1 round

Thickness
A measurement of the smallest dimension of an item,in distinction from length or width.

0.082in. and 0.096in. ⁓7/64"

Overall Diameter
A measurement of the longest straight line across a circular cross-sectional plane.

0.865in. and 0.885in. ⁓57/64"

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

mrap RG-33

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

casehardened

Heat Treatment
A combination of timed heating and cooling operations applied for the purpose of annealing or hardening the item.

quenched and tempered

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

steel comp 4130 or steel comp 4140 or steel comp 8640 or steel comp 8740

Surface Treatment
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 and chromate

Surface Treatment Document And Classification
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 assn std single treatment response

Answers.

What material is the flat washer made of ?

Steel comp 4130 or steel comp 4140 or steel comp 8640 or steel comp 8740

What is the inside hole diameter?

0.521 inches minimum and 0.541 inches maximum

What is the NSN for 12387327-30?

5310-01-384-4712

How is this classified for shipping?

Schedule B number: 7318220000
nmfc 093486
Washers other than lock washers, iron or steel

What's the federal classification of 12387327-30?

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 5310-01-384-4712 WASHER,FLAT

Used on mrap rg-33. zinc surface treated 0.521" hole diameter

NIIN
013844712
NIIN Date
12/16/93
Schedule B
7318220000 
Name Code
13393
FIIG
A022B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$2.93 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. 12387327 Cage 19207
2. 12387327 Cage 19207
3. 12387327 Cage 19207

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Navy 
  • - U.s. Marine Corps 
  • - Australia 

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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)
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 washers with similar characteristics

Nothing similar to this part number was found in our inventory

12387327-30 / Washer,flatWhat is the formal definition of this item?

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. the hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). the thickness cannot exceed 25 percent of the largest outside dimension. when the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. the maximum tolerance is applied to dimensions and used as a determining factor. items with separable lamination use shim. for items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. excludes disk, valve, graphite impregnated and lubricated items.