X581

X581 Turnlock Fastener Lockspring

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Quality Commitment

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Datasheet. X581 specification

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

0.062in.

Lockspring Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the lockspring.

lockspring

Center To Center Distance Between Eyes

1.000in.

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

0.094in. and 0.099in.

Lockspring Overall Height

0.300in.

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

steel

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

Answers.

What material is the turnlock fastener lockspring made of ?

Steel

What is the NSN for X581?

5325-00-141-7848

What's the federal classification of X581?

FSC 5325 ⁓ Fastening devices

NSN 5325-00-141-7848 LOCKSPRING,TURNLOCK FASTENER

cadmium surface treated

NIIN
001417848
NIIN Date
01/01/63
Schedule B
 
Name Code
18420
FIIG
A05400
QUP
 
Historical Price
$0.13 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

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. SX581 Cage 72794

Major End Users Countries and entities

  • - Department of The Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
No rating 
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 and metal products, nos, (less than 35 feet) 
NMFC (national motor freight code)
177970 SPRINGS NOI STL O/T WIRE 
UFC (universal freight code)
87420 

Similar by Design Other locksprings with similar characteristics

Nothing similar to this part number was found in our inventory

X581 / Lockspring,turnlock fastenerWhat is the formal definition of this item?

A spring-tempered wire item used to secure a stud, turnlock fastener or stud assembly, turnlock fastener by engaging with the cammed groove of the stud, turnlock fastener and securing it by means of its spring action.