PB51175-1

PB511751 Self-locking Knurled Nut

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Datasheet. PB51175-1 specification

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

2b

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

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

prevailing torque all metal design

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

0.248in. and 0.250in.

Nut Diameter

0.289in. and 0.294in.

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

0.365in. and 0.370in.

Knurl Width

0.250 in.

Thread Series
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

unc

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

32

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

0.138in. ⁓9/64"

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.

slot 0.031 in. wide cut into small dia to depth of 0.165 in.; slot closed to 0.016 in. wide to provide SELF-Locking feature

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

copper alloy 360

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 material.

ams 4610 assn std single material response

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

nickel

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

ps 22, fscm 55972 mfr ref single treatment response

Answers.

What quantity is this sold in?

1EA

What material is the self-locking knurled nut made of ?

Copper alloy 360

What is the thread quantity per inch?

32

What is the thread direction?

Right-hand

What is the thread class?

2b

What is the NSN for PB51175-1?

5310-00-487-7081

How is this classified for shipping?

Schedule B number: 7415290000
nmfc 093486
Copper screws, nuts, bolts, rivets, and other fasteners not threaded

What's the federal classification of PB51175-1?

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 5310-00-487-7081 NUT,SELF-LOCKING,KNURLED

nickel surface treated slot 0.031 in. wide cut into small dia to depth of 0.165 in.; slot closed to 0.016 in. wide to provide self-locking feature 32 thread quantity per inch right-hand 2b thread class

NIIN
004877081
NIIN Date
01/01/63
Schedule B
7415290000 
Name Code
15894
FIIG
A021A0
QUP
Historical Price
$0.88 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

Major End Users Countries and entities

  • - Department of The Air Force 
  • - United Kingdom 
  • - 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)
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

PB51175-1 / Nut,self-locking,knurledWhat is the formal definition of this item?

A nut round in shape, whose outer surface or portion(s) is/are knurled. it may have provisions for external wrenching. an integral feature is incorporated for locking on the threads of a mating member.