SS-21--7-12

SS21712 Electrical Connector Jackscrew

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Datasheet. SS-21--7-12 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2a and 2b

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

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

0.750in. ⁓3/4"

Overall Diameter
A measurement of the longest straight line across a circular cross-sectional plane.

0.188in. ⁓13/64"

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

0.562in. and 0.188in.

Mounting Facility Type And Quantity
Indicates the type and number of facilities by which the item is mounted.

1 threaded stud

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

0.112in. ⁓1/8"

Material
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.

steel

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 and chromate

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

threaded stud mounted

Surface Treatment
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.

cadmium and chromate

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.

What quantity is this sold in?

1EA

What class is the thread series?

Unc

What is the style?

Threaded stud mounted

What material is the electrical connector jackscrew made of ?

Steel

What is the thread direction?

Right-hand

What is the thread class?

2a and 2b

What is the NSN for SS-21--7-12?

5935-01-393-2557

How is this classified for shipping?

Schedule B number: 8548900100
nmfc 093486
Electrical parts of machinery or apparatus not specified or included elsewhere in chapter 85

What's the federal classification of SS-21--7-12?

FSC 5935 ⁓ Connectors, electrical

Excluding interconnectors, fiber optic

NSN 5935-01-393-2557 JACKSCREW,ELECTRICAL CONNECTOR

unc thread series threaded stud mounted cadmium surface treated 0.750" overall length right-hand 2a thread class

NIIN
013932557
NIIN Date
07/16/94
Schedule B
8548900100 
Name Code
36340
FIIG
A10100
Item Weight
0.100lbs
Item Dimensions
8 X 2 X 2
QUP
Historical Price
$32.73 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. 100H1777PC29 Cage 04804

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)
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
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Electrical appliances, small 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other jackscrews with similar characteristics

Nothing similar to this part number was found in our inventory

SS-21--7-12 / Jackscrew,electrical connectorWhat is the formal definition of this item?

A locking device specifically designed to secure engaged electrical connectors. its mating end is either internally or externally threaded. it is designed to be installed in an adapter (2), connector; connector body, plug, electrical; connector body, receptacle, electrical; connector, plug, electrical; connector, receptacle, electrical; cover, electrical connector; dummy connector, plug; dummy connector, receptacle; insert, electrical connector; shell, electrical connector; or a shield, electrical connector. it may be used for polarization. it may be equipped with a knob, slotted head, knurled head, or the like.