B18.2.1

B1821 Nut Blank

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Datasheet. B18.2.1 specification

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

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

3.750in. ⁓3-3/4"

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

hexagon

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

2355-01-539-3639; light armored vehicle

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

1.000in. ⁓1/64"

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

8

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

hex, cap screw

Special Features
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.

hex cap, 1-8 x 3-3/4, grade 8, zyd for lav d kit; material: sae j 429 - grade 8; finish: astm f 1941, zinc coating fe/zn, type 5c

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

steel

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unc

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unc

What material is the nut blank made of ?

Steel

What is the thread quantity per inch?

8

What is the head style?

Hexagon

What is the thread length?

3.750 inches

What is the thread direction?

Right-hand

What is the NSN for B18.2.1?

5310-01-570-0645

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of B18.2.1?

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 5310-01-570-0645 NUT BLANK

Used on 2355-01-539-3639; light armored vehicle. unc thread series hex cap, 1-8 x 3-3/4, grade 8, zyd for lav d kit; material: sae j 429 - grade 8; finish: astm f 1941, zinc coating fe/zn, type 5c hex, cap screw 8 thread quantity per inch hexagon head style 3.750" thread length right-hand

NIIN
015700645
NIIN Date
12/16/08
Schedule B
7318152000 
Name Code
01874
FIIG
A021A0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$17.63 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. AES01CA00C75WA6DG2 Cage 05047
2. A0031000348ZYD Cage 7W108
3. A0031000348Z Cage 01365

Major End Users Countries and entities

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

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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
Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing 
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 nut blanks with similar characteristics

Nothing similar to this part number was found in our inventory

B18.2.1 / Nut blankWhat is the formal definition of this item?

An item which resembles any of various nuts in shape and is intended for a subsequent threading operation.