21731

21731 Seal Retainer

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Quality Commitment

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Datasheet. 21731 specification

Aperture Diameter
The length of a straight line which passes through the center of an aperture,and terminates at the circumference.

1.800in.

Body Outside Diameter
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.

2.175in.

Mounting Flange Length
A measurement of the longest dimension of a mounting flange, in distinction from width.

2.875in.

Mounting Flange Width
A measurement taken at right angles to the length of a mounting flange,in distinction from thickness.

2.875in.

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

C-5 aircraft

Bolt Hole Diameter
The length of a straight line which passes through the center of the bolt hole,and terminates at the circumference.

0.203in.

Special Features
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.

0-ring gland per AS568-136

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

aluminum alloy 6061

Reference Data And Literature
Literature and references available for information pertaining to the item.

t.o. 9H4-2-107-3, fig 8-1

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

flanged

Answers.

What quantity is this sold in?

1EA

What is the style?

Flanged

What material is the seal retainer made of ?

Aluminum alloy 6061

What is the NSN for 21731?

5330-01-485-2162

How is this classified for shipping?

Schedule B number: 3926904500
nmfc 194050
Gaskets,washers & other seals

What's the federal classification of 21731?

FSC 5330 ⁓ Packing and gasket materials

Note-this fsc includes only seals and gaskets designed for standard use. seals, gaskets and packing are made from materials specifically designed and constructed to resist deterioration from the action of heat, gas, chemicals, liquids, and used to fill a cavity and create a tight seal. similar materials used to make seals, gaskets, and packing are available in bulk form, refer to fsg 93, fsg 80, and fsg 83.

Excluding o-rings (fsc 5331); bulk material items, such as; rubber, cork, and asbestos sheets and strips (fsg 93); liquid gasket materials (rtv, permatex, etc.) (fsg 80); rfi and emi seals and gaskets (fsc 5999), and all seal retainers.

NSN 5330-01-485-2162 RETAINER,SEAL

Used on c-5 aircraft. flanged 0-ring gland per AS568-136

NIIN
014852162
NIIN Date
05/21/01
Schedule B
3926904500 
Name Code
50336
FIIG
A032A0
Item Weight
0.200lbs
Item Dimensions
--
QUP
Historical Price
$403.98 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

Major End Users Countries and entities

  • - 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)
70.0 
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)
Gaskets, (machinery and parts),(less than 35 feet) 
NMFC (national motor freight code)
194050 GASKETS/RINGS PLUMBING FIXTURES 
UFC (universal freight code)
78100 

Similar by Design Other retainers with similar characteristics

Nothing similar to this part number was found in our inventory

21731 / Retainer,sealWhat is the formal definition of this item?

An item of various shapes and cross sections, usually flanged and designed to fit over a rod, shaft, or the like, for the purpose of encasing and posititioning a seal, plain encased or a seal, plain. the flange is usually drilled for stud or bolt mounting. item does not include the seal. excludes retainer, packing.