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Datasheet. PLI-10-31.7 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.626in. ⁓41/64"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
1.062in.
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
preload indicating washer assembly
Indicates the location on the bolt where the item is to be placed.
err default
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter of a bolt.
err default
The maximum rated load in tension,applied in a longitudal direction,per unit of cross-sectional area,that the bolt can withstand without rupture.
err default
The induced preload percentage of a bolt yield strength for which the item is designed.
err default
err default
The length of a straight line which passes through the center of the threaded portion of the bolt,and terminates at the circumference.
err default
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.
mean preload of 31, 700 lbs; 3 wiggle holes equally spaced radially
A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.
blue body
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel body
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 body
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 CL2 fed spec single treatment response body
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
plain
Answers.
Plain
Steel body
1.062 inches
0.626 inches
Schedule B number: 7318210000
Spring washers and other lock washers, iron or steel
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 5310-01-557-4222 WASHER,PRELOAD INDICATING
plain cadmium body surface treated mean preload of 31, 700 lbs; 3 wiggle holes equally spaced radially preload indicating washer assembly 1.062" outside diameter 0.626" hole diameter
- NIIN
- 015574222
- NIIN Date
- 10/22/07
- Schedule B
- 7318210000
- Name Code
- 42430
- FIIG
- A022B0
- 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
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PLI-10-31.7 / Washer,preload indicatingWhat is the formal definition of this item?
An item round in shape having a centrally located hole. it consists of two concentric (inner and outer) steel rings, the inner ring is smaller in diameter and higher than the other. these rings are sandwiched between two close tolerance plain washers. as the assembly is tightened, the inner ring takes the load and is deformed until the loose outer ring is bound between the upper and lower plain washers and cannot be moved. the tightened load in the bolt is equal to the load required to compress the inner ring. when the binding of the outer ring occurs and can not be moved, it is a sign that the desired load has been reached.
