NASM21090-0202

NASM210900202 Machine Screw

Price Quote Get an up to date pricing and availability quote for this product. Order online or over the phone.

Part Number:
Quantity Requested:
Your Email:
Full Name:
Contact Phone:
Company:

Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   Customer service objectives
  •   Every product 100% inspected
AS9120 Certified by SAI Global

Datasheet. NASM21090-0202 specification

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

2a

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.

0.250in. ⁓1/4"

Fastener Length
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.

0.250in. ⁓1/4"

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

pan

Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.

0.155in. and 0.167in.

Head Height
A measurement from the bottom to the top of the head,in distinction from depth.

0.053in. and 0.062in. ⁓1/16"

Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.

cross recess type 1

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

0.086in. (UTS #2)

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

56

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.

screw, machine, SELF-Locking

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

steel

Screw Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the screw is plated,dipped and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

cadmium

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.

material is 250 degree f steel, 55ksi ftu per AIR4127. includes locking feature per NASM15981

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 class is the thread series?

Unc

What type of screw surface treatment?

Cadmium

What is the thread quantity per inch?

56

What is the head style?

Pan

What is the thread length?

0.250 inches

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for NASM21090-0202?

5305-01-630-3091

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 133300
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of NASM21090-0202?

FSC 5305 ⁓ Screws

NSN 5305-01-630-3091 SCREW,MACHINE

unc thread series material is 250 degree f steel, 55ksi ftu per AIR4127. includes locking feature per NASM15981 cadmium screw surface treated screw, machine, self-locking 56 thread quantity per inch pan head style 0.250" thread length right-hand 2a thread class

NIIN
016303091
NIIN Date
07/31/14
Schedule B
7318152000 
Name Code
06657
FIIG
A500D0
DEMIL / ITAR
Uncontrolled item (Code )
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
--
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Army 

Availability for NASM21090-0202 A member of our team will provide you with a price and availability quote

Request a Quote »

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)
Engineer and material handling equipment, test/tool sets and equipment 
NMFC (national motor freight code)
133300 MACHINERY/MACHINES NOI 
UFC (universal freight code)
63220 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

NASM21090-0202 / Screw,machineWhat is the formal definition of this item?

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.