BM19019-5D20

BM190195D20 Close Tolerance Screw

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Datasheet. BM19019-5D20 specification

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

3a

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.

0.441in. and 0.508in. ⁓33/64"

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.

1.701in. and 1.748in. ⁓1-3/4"

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.

0.625in. and 0.635in.

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

0.3115in. and 0.3120in.

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

0.076in. first hole and 0.081in. first hole

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

HIGH-Torque

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"

Grip Length
A measurement of the longest dimension of the grip,in distinction from width.

1.240in. and 1.260in.

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

24

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.

125000 pounds per square inch

Countersink Angle
The included angle of the countersink.

99.0 degrees and 101.0 degrees

Distance From Head Largest Bearing Surface To Shank Hole Center
The distance from the shank hole centerline to the largest bearing surface of the head.

1.634in. first hole

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

steel corrosion resisting

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.

unjf

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unjf

What material is the close tolerance screw made of ?

Steel corrosion resisting

What is the thread quantity per inch?

24

What is the grip length?

1.240 inches minimum and 1.260 inches maximum

What is the head style?

Flat countersunk

What is the thread length?

0.441 inches minimum and 0.508 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for BM19019-5D20?

5305-00-040-9438

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 BM19019-5D20?

FSC 5305 ⁓ Screws

NSN 5305-00-040-9438 SCREW,CLOSE TOLERANCE

unjf thread series 24 thread quantity per inch 1.240" grip length flat countersunk head style 0.441" thread length right-hand 3a thread class

NIIN
000409438
NIIN Date
11/13/72
Schedule B
7318152000 
Name Code
29294
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$14.48 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. HT4025L5D20 Cage 17446
2. HT4025L5D20 Cage 06950
3. HT8140-5D20 Cage 06950
4. ST3M454-5DL20 Cage 76301
5. HT4025L5D20 Cage 73197
6. HT4025L5D20 Cage L4528
7. HT4025L5D20 Cage C4293
8. 11905-5D20 Cage 59563
9. HT4025L5D20 Cage 80539
10. HT4025L5D20 Cage K5673
11. ST3M454-5D20 Cage 76301
12. 106830-5D20 Cage 50392
13. HT4025L5D20 Cage 0PTK6
14. HT4025L5D20 Cage 97928
15. HT295-5D20 Cage 73197
16. HT8140-5D20 Cage 92215
17. 106830-5D20 Cage 56878
18. HT4025L5D20 Cage 56878
19. HT4025L5D20 Cage 92215

Major End Users Countries and entities

  • - Department of The Air Force 
  • - Republic of Korea 
  • - Turkey 

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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 hardware 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

BM19019-5D20 / Screw,close toleranceWhat is the formal definition of this item?

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is designed to be held or driven with an inserted driver. it is not designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads.