0.312-18UNC-2AX1.000 IN. LG NICU

031218UNC2AX1000INLGNICU Machine Screw

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Quality Commitment

Serving our customers with quality and safety first.

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AS9120 Certified by SAI Global

Datasheet. 0.312-18UNC-2AX1.000 IN. LG NICU 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.

0.698in. and 0.809in. ⁓13/16"

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.

1.000in. ⁓1/64"

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

flat countersunk

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

0.568in. and 0.635in.

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

slot

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

0.312in. ⁓5/16"

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

18

Minimum Tensile Strength
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.

80000 pounds per square inch

Countersink Angle
The included angle of the countersink.

80.0 degrees and 82.0 degrees

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

nickel alloy 400

Screw Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the screw material.

QQ-N-281, cl a fed spec single material response

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

Nondefinitive Spec/std Data
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.

1 type and 2s style

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unc

What is the thread quantity per inch?

18

What is the head style?

Flat countersunk

What is the thread length?

0.698 inches minimum and 0.809 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 0.312-18UNC-2AX1.000 IN. LG NICU?

5305-01-332-0938

How is this classified for shipping?

Schedule B number: 7508900000
nmfc 139820
Other articles of nickel (excluding cloth, grill & netting of nickel wire)

What's the federal classification of 0.312-18UNC-2AX1.000 IN. LG NICU?

FSC 5305 ⁓ Screws

NSN 5305-01-332-0938 SCREW,MACHINE

unc thread series 18 thread quantity per inch flat countersunk head style 0.698" thread length right-hand 2a thread class

NIIN
013320938
NIIN Date
01/04/91
Schedule B
7508900000 
Name Code
06657
FIIG
A500D0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$1.88 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
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. FF-S-92 Cage 81348

Major End Users Countries and entities

  • - Department of The Navy 
  • - Brazil 
  • - Greece 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
85.0 
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)
139820 NICKEL BOLTS/NAILS/NUTS/RIVETS ETC 
UFC (universal freight code)
70220 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

0.312-18UNC-2AX1.000 IN. LG NICU / 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.