BH-19

BH19 Self-locking Round Nut

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Quality Commitment

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Datasheet. BH-19 specification

Thread Pitch Diameters
The minimum and maximum pitch diameter limits of a straight screw thread.

+3.6759/+3.6833in.

Locking Feature
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

prevailing torque with nonmetallic insert

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

3.6398in. boss and 3.6488in. boss

Small End Diameter
The length of a straight line which passes through the center of the small end,and terminates at the circumference.

4.1719in.

Drive Point Depth

0.3025in. and 0.3310in.

Nut Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.

round

Nut Diameter

4.9360in. and 4.9375in.

Nut Thickness
A measurement between the opposite flat surfaces of the nut,in distinction from length or width.

0.7969in. and 0.8281in.

Drive Point Width

0.355in. and 0.385in.

Undercut Thickness

0.2031in.

Drive Point Quantity

4

Nut Counterbore Depth
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.

0.2031in. boss

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

12

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

3.740in. ⁓3-3/4"

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.

chamfered seat, 50.0 deg

Answers.

What quantity is this sold in?

1EA

What is the thread quantity per inch?

12

What is the NSN for BH-19?

5310-01-282-7520

What's the federal classification of BH-19?

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 5310-01-282-7520 NUT,SELF-LOCKING,ROUND

chamfered seat, 50.0 deg 12 thread quantity per inch

NIIN
012827520
NIIN Date
07/21/88
Schedule B
 
Name Code
15895
FIIG
A021A0
Item Weight
0.200lbs
Item Dimensions
--
QUP
Historical Price
$123.83 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

Major End Users Countries and entities

  • - Department of The Navy 
  • - New Zealand 
  • - Portugal 

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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)
Bolts or nuts (iron or steel),(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 nuts with similar characteristics

Nothing similar to this part number was found in our inventory

BH-19 / Nut,self-locking,roundWhat is the formal definition of this item?

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. an integral feature is incorporated for locking on the threads of a mating member. do not use if a more specific item name applies. excludes collar, pin-rivet, threaded; insert, screw thread; nut (1), sleeve; nut(1), plain, cap; and turnbuckle body.