G1981-3-8-2

G1981382 Self-locking Gang C Nut Assembly
Home » Catalog » Nuts & Washers (p. 1395) » Self-locking Gang C Nut Assemblys (p. 22) » Part Number G1981-3-8-2

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Datasheet. G1981-3-8-2 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

Counterbore Diameter
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

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

dry film lubricant

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

1.926in. and 1.946in. ⁓1-61/64"

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

0.416in.

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

A20 gang channel, self locking

Channel Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the channel.

straight type

Assembly Overall Height
The overall distance measured in a straight line from the bottom to the top of the assembly.

0.250in.

Channel Height
A measurement from the bottom to the top of the channel,in distinction from depth.

0.250in.

Nut Spacing

0.990in. and 1.010in.

Nut Counterbore Depth
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.

0.062in. nut

Temp Rating
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.

232.0 deg celsius

Nut Quantity
The number of nuts provided.

2

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

unjf

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

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

49.0 rockwell c

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

0.190in. ⁓13/64"

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

iron alloy 660 or steel comp 321 channel

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

steel comp 1035 or steel comp 1040 or steel comp 1050 or steel comp 1042 or steel comp 4130 or steel comp 4340 or steel comp 8740 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.

ams 5525 assn std 1st material response or ams 5732 assn std 1st material response or ams 5737, uns K66286 assn std 1st material response or ams 5510, S32100 assn std 2nd material response channel

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.

QQ-S-635, G10350 fed spec 1st material response or QQ-S-635, G10400 fed spec 2nd material response or QQ-S-635, G10500 fed spec 3rd material response or astm A29, G10420 assn std 4th material response or astm A29, G41300 assn std 5th material response or astm A29, G43400 assn std 6th material response or astm A29, G87400 assn std 7th material response nut

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 and chromate nut

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 channel

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 channel

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, type 2, class 2 fed spec all treatment responses nut

Supplementary Features
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.

stk lg 72.0 in. nsn 5310-00-948-0953

Specification/standard Data
The document designator of the specification or standard which established the item of supply.

96906-MS21064 government standard

Answers.

What quantity is this sold in?

1EA

What material is the self-locking gang c nut assembly made of ?

Steel comp 1035 or steel comp 1040 or steel comp 1050 or steel comp 1042 or steel comp 4130 or steel comp 4340 or steel comp 8740 nut

What material is the self-locking gang c nut assembly made of ?

Iron alloy 660 or steel comp 321 channel

What is the thread quantity per inch?

32

What is the overall width?

0.416 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for G1981-3-8-2?

5310-01-283-2696

What's the federal classification of G1981-3-8-2?

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 5310-01-283-2696 NUT ASSEMBLY,SELF-LOCKING,GANG C

passivate channel surface treated 32 thread quantity per inch 0.416" overall width 1.926" overall length right-hand 3b thread class

NIIN
012832696
NIIN Date
08/02/88
Schedule B
 
Name Code
01864
FIIG
A021A0
Item Weight
0.600lbs
Item Dimensions
--
QUP
1 
Historical Price
$341.10 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. MS21064L3-8-2 Cage 80205
2. NAS1035A8-2 Cage 80205
3. NAS689A8-2 Cage 80205
4. MS21064L3-8-2 Cage 96906

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Air Force 

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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 and metal products, nos, (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 nut assemblys with similar characteristics

Nothing similar to this part number was found in our inventory

G1981-3-8-2 / 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.