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Datasheet. C138-3-2-8-72 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b
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
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
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.
0.194in. nut
A substance designed to provide a reduction of friction between the two surfaces in contact.
dry film lubricant
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
72.250in. ⁓72-1/4"
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
0.452in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
gang channel, self locking
The style designation indicating the configuration that most nearly corresponds to the appearance of the channel.
straight type
The overall distance measured in a straight line from the bottom to the top of the assembly.
0.320in.
A measurement from the bottom to the top of the channel,in distinction from depth.
0.250in.
0.990in. and 1.010in.
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.
0.125in. nut
The national stock number or the identification information of the end equipment for which the item is a part.
F-22 aircraft
The number of nuts provided.
72
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unjf
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
32
A designation that is used for the purpose of general identification of the thread.
0.190in. ⁓13/64"
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.
to be stocked in 72.250 inch lengths only
The chemical compound or mechanical mixture properties of which the item is fabricated.
iron alloy 660 nut
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 302 clip
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 321 channel or iron alloy 660 channel
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ams 5510 assn std single material response channel or ams 5525 assn std single material response channel
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ams 5525 assn std single material response nut or ams 5734 assn std single material response nut or ams 5737 assn std single material response nut or ams 5662 assn std single material response nut
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ams 5688 assn std 1st material response clip or armco 18-2 mn mfr ref 2nd material response clip
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 channel
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 clip
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 nut
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
ams 2418, copper plate and coat with AS5272, type 1 dry film lubricant assn std single treatment response nut
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
AMS-QQ-P-35 type ii assn std single treatment response clip
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
AMS-QQ-P-35, type ii assn std single treatment response channel
Answers.
1EA
Steel comp 321 channel or iron alloy 660 channel
Steel comp 302 clip
Iron alloy 660 nut
32
0.452 inches
Right-hand
3b
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 5310-01-529-4136 NUT ASSEMBLY,SELF-LOCKING,GANG C
Used on f-22 aircraft. passivate nut surface treated to be stocked in 72.250 inch lengths only 32 thread quantity per inch 0.452" overall width 72.250" overall length right-hand 3b thread class
- NIIN
- 015294136
- NIIN Date
- 04/14/05
- Schedule B
- Name Code
- 01864
- FIIG
- A021A0
- QUP
- 1
- Historical Price
- $212.50 EA
- DEMIL / ITAR
- USML/ITAR controlled item (Code: B)
- 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
Major End Users Countries and entities
- - Department of The Air Force
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C138-3-2-8-72 / Nut assembly,self-locking,gang cWhat is the formal definition of this item?
An item composed of a specially designed channel and a series of nuts having integral self-locking features assembled in predetermined spacing.
