SM-A-876257

SMA876257 Self-locking Spline Nut
Home » Catalog » Nuts & Washers (p. 2031) » Self-locking Spline Nuts (p. 6) » Part Number SM-A-876257

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Quality Commitment

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Datasheet. SM-A-876257 specification

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

3b

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

Pilot Diameter
The length of a straight line which passes through the center of that portion used to guide the item and terminates at the circumference.

0.294in. and 0.302in.

Pilot Length
The length of the pilot,which is the unthreaded portion beyond the thread used to guide the item.

0.099in.

Lubrication
A substance designed to provide a reduction of friction between the two surfaces in contact.

dry film lubricant

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

spline (floating)

Nut Length
A measurement of the longest dimension of the nut,in distinction from width.

0.572in. ⁓37/64"

Nut Height

0.344in. ⁓11/32"

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

unjc

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

floating nut

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.

0.164in. ⁓11/64"

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

steel comp 1095 bracket

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

steel comp 304 boss

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

steel nut

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.

MIL-S-23195 mil spec single material response boss

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.

MIL-S-7947 mil spec single material response bracket

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.

cadmium boss and chromate boss

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.

cadmium bracket and chromate bracket

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.

cadmium nut and chromate nut

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.

QQ-P-416, TY2, CL3 fed spec single treatment response boss

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.

QQ-P-416, TY2, CL3 fed spec single treatment response bracket

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.

QQ-P-416, TY2, CL3 fed spec single treatment response nut

Answers.

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

Steel nut

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

Steel comp 304 boss

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

Steel comp 1095 bracket

What is the thread quantity per inch?

32

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for SM-A-876257?

5310-01-058-3723

How is this classified for shipping?

Schedule B number: 7318160000
nmfc 093486
Nuts of iron or steel

What's the federal classification of SM-A-876257?

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 5310-01-058-3723 NUT,SELF-LOCKING,SPLINE

cadmium nut surface treated 32 thread quantity per inch right-hand 3b thread class

NIIN
010583723
NIIN Date
03/27/78
Schedule B
7318160000 
Name Code
15893
FIIG
A021A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$13.10 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. FFM6010-8F-A Cage 0HDW7
2. FFM6010-8F-A Cage 97928
3. SC-5310-0028 Cage 12115
4. SC-5310-0028-19 Cage 12115

Major End Users Countries and entities

  • - Department of The Navy 
  • - U.s. Marine Corps 
  • - Department of The Air Force 
  • - Department of The Army 

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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

SM-A-876257 / Nut,self-locking,splineWhat is the formal definition of this item?

A nut having an externally splined sleeve, which holds it in position when forced into a hole of slightly smaller diameter. an integral feature is incorporated for locking.