MS51831-102L

MS51831102L Screw Thread Insert

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Quality Commitment

Serving our customers with quality and safety first.

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AS9120 Certified by SAI Global

Datasheet. MS51831-102L 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

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.305in. ⁓5/16"

Length
A measurement of the longest dimension of any object,in distinction from width.

0.375in.

Insert Size
Designates the size by which the insert is identified.

0.438-14

Internal Thread Relief Depth

0.070in.

Full Internal Thread Length

0.305in.

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

individually keyed

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

20

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

0.250in. ⁓1/4"

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.

has internal thread lock

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

steel comp 302

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.

fed std 66 fed 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.

passivate

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-35 fed spec single treatment response

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

grooved keylock

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

Answers.

When was the most recent contract awarded?

On 06/23/2001 under contract SP050099GD01200970001 for qty 1,875

What quantity is this sold in?

1EA

What class is the thread series?

Unc

What is the style?

Grooved keylock

What material is the screw thread insert made of ?

Steel comp 302

What is the thread quantity per inch?

20

What is the thread length?

0.305 inches

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for MS51831-102L?

5325-00-420-1891

How is this classified for shipping?

Schedule B number: 9606100000
nmfc 093486
Press-fasteners, snap-fasteners & press-studs & parts therefor

What's the federal classification of MS51831-102L?

FSC 5325 ⁓ Fastening devices

NSN 5325-00-420-1891 INSERT,SCREW THREAD

unc thread series grooved keylock passivate surface treated has internal thread lock 20 thread quantity per inch 0.305" thread length right-hand 3b thread class

NIIN
004201891
NIIN Date
03/12/69
Schedule B
9606100000 
Name Code
11444
FIIG
A03100
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$5.13 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. KNHL420J Cage 29372
2. 10007503 Cage 18876
3. KNHL420 Cage 29372
4. KNHL420 Cage D0680
5. KH9005-420 Cage 75237

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Air Force 
  • - Department of The Navy 
  • - U.s. Marine Corps 
  • - Poland 
  • - Spain 
  • - Canada 
  • - New Zealand 
  • - Germany 
  • - United Kingdom 
  • - Netherlands 
  • - Portugal 
  • - Greece 

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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 inserts with similar characteristics

Nothing similar to this part number was found in our inventory

MS51831-102L / Insert,screw threadWhat is the formal definition of this item?

A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. it is designed to be inserted in a drilled or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. it is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). the internal thread of the item may have a locking feature. excludes items having a sleeve on its underportion which can be clinched or crimped. excludes bushing, machine thread; nut, plain, knurled; nut, plain, round; nut, plain, clinch and nut, self-locking, clinch. see also nut, plain, plate.