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SECO 7, AN 37 Degree Flare Seal

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SECO 7 Seals can solve the most persistent leaks in your AN plumbing. They are especially indispensable when connecting flared tubing to male AN fittings with AN tube nuts and tube sleeves. They can also compensate for misaligned tubing and imperfect flares.

Originally developed for NASA, the soft annealed 37° conical seals act as a crush washer on the male AN flare. They help to ensure reliable, leak-free seals while preventing damage to the tubing or the AN fitting. They can even help rescue fittings that have been damaged at the seat from debris, overtightening, or manufacturing irregularities.

Each size is available in Aluminum or Copper. Use aluminum seals with aluminum tubing and fittings; use copper seals with steel tubing and fittings. (Use aluminum seals with aluminum-to-steel joints.) Seals are sold individually. Keep some in your toolbox and be ready for the unexpected!

"A dash three size conical seal won a championship race for us. I carry a full range of the things in my toolbox and consider anyone who knows about them and does not carry them to be foolish."
-- Carroll Smith, Nuts, Bolts, Fasteners, and Plumbing Handbook

Government purchasing information:
CID number A-A-59935/1 (aluminum), A-A-59935/2 (copper)
FSC 4730
Pegasus Auto Racing Supplies CAGE Code: 49BK1

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.
Desc.
Price
Status

3202-03-ALUM
Condition: New

SECO 7 Seal - 3AN, Aluminum

$1.49In Stock

3202-03-COPPER
Condition: New

SECO 7 Seal - 3AN, Copper

1 to 9: $1.69

10 to 99: $1.61

100 & up: $1.53

In Stock

3202-04-ALUM
Condition: New

SECO 7 Seal - 4AN, Aluminum

1 to 9: $1.49

10 & up: $1.32

In Stock

3202-04-COPPER
Condition: New

SECO 7 Seal - 4AN, Copper

1 to 9: $1.69

10 to 99: $1.50

100 & up: $1.31

In Stock

3202-06-ALUM
Condition: New

SECO 7 Seal - 6AN, Aluminum

1 to 9: $1.59

10 to 99: $1.41

100 & up: $1.23

In Stock

3202-06-COPPER
Condition: New

SECO 7 Seal - 6AN, Copper

1 to 9: $1.79

10 to 99: $1.59

100 & up: $1.39

In Stock

3202-08-ALUM
Condition: New

SECO 7 Seal - 8AN, Aluminum

1 to 9: $1.59

10 to 99: $1.41

100 & up: $1.23

In Stock

3202-08-COPPER
Condition: New

SECO 7 Seal - 8AN, Copper

1 to 9: $1.79

10 to 99: $1.59

100 & up: $1.39

In Stock

3202-10-ALUM
Condition: New

SECO 7 Seal - 10AN, Aluminum

1 to 9: $1.79

10 to 99: $1.59

100 & up: $1.39

In Stock

3202-10-COPPER
Condition: New

SECO 7 Seal - 10AN, Copper

1 to 9: $1.99

10 to 99: $1.77

100 & up: $1.55

In Stock

3202-12-ALUM
Condition: New

SECO 7 Seal - 12AN, Aluminum

1 to 9: $1.99

10 to 99: $1.77

100 & up: $1.55

In Stock

3202-12-COPPER
Condition: New

SECO 7 Seal - 12AN, Copper

1 to 9: $2.19

10 to 99: $1.95

100 & up: $1.71

In Stock

3202-16-ALUM
Condition: New

SECO 7 Seal - 16AN, Aluminum

1 to 9: $2.69

10 & up: $2.40

In Stock

3202-16-COPPER
Condition: New

SECO 7 Seal - 16AN, Copper

1 to 9: $2.89

10 & up: $2.58

In Stock

3202-20-ALUM
Condition: New

SECO 7 Seal - 20AN, Aluminum

1 to 7: $3.79

8 to 59: $3.40

60 & up: $3.00

In Stock

3202-20-COPPER
Condition: New

SECO 7 Seal - 20AN, Copper

1 to 7: $5.49

8 & up: $4.94

In Stock
 
Related Product Groups
AN Adapters & Fittings

REVIEW SNAPSHOT®

by PowerReviews
SECO 7, AN 37 Degree Flare Seal
 
4.8

(based on 11 reviews)

Ratings Distribution

  • 5 Stars

     

    (9)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Reviewed by 11 customers

Displaying reviews 1-10

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5.0

it does what its supposed to do

By dirtyjim

from alvin texas

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

I use these for a little extra insurance when transitioning from an to hardline.

Service and delivery comments:

parts were well packed and delivered very quick

 
5.0

Use on all AN fittings

By PbFut

from Murrieta, CA

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

That extra added protection. Formed for AN bungs, order a few extra. They come in handy. A little pricey for what they are, still worth it for how they perform.

 
4.0

Does the job at reasonable cost.

By Farmer Mark

from Albany, NY

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

We used them to seal leaking connections on an IH 444 tractor. Much easier and less costly than replacing fittings.

 
5.0

High Pressure Seals

By Hydro-Man

from Charleston, WV

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

These are used where a high pressure fitting does not seal completely due to washout, the crush seal is installed and forms a complete seal of surface area eliminating the affected area.

Service and delivery comments:

Ordering was seamless flow from order placement to product shipped to receiving product.

 
5.0

Great product!

By MJH

from Lancaster, PA

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

Worked great to seal a leaking connection at my fuel rail. The seals are rather delicate, but get the job done!

(1 of 1 customers found this review helpful)

 
5.0

Works!

By Ross

from Staunton, VA

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

I had a weeping oil line that I thought was going to require a new fitting until I found these. These stopped the leak completely, wonderful product.

(0 of 1 customers found this review helpful)

 
5.0

Great products and service

By Don o

from Florida

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

Great tranaction

(1 of 2 customers found this review helpful)

 
5.0

SECO 7 -10AN aluminum seal

By Frank

from Modesto, CA

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

I used this product for my ls1 swap in my 240sx I bought the Sikky kit and was leaking oil from the oil pan to the oil filter relocation lines. The seco seal worked great and fixed the leak! Will buy from again thxs!!

(1 of 1 customers found this review helpful)

 
4.0

Lifesaver

By Tired Pony

from Motorcity, MI

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

sealed up a turbo oil feed line perfect

(1 of 1 customers found this review helpful)

 
5.0

SECO AN Fitting Seals Fixed My Fuel Leaks

By kuda

from Stuart, FL

Comments about SECO 7, AN 37 Degree Flare Seal:

I installed Mopar billet fuel rails with Russell hoses and fittings in my Challenger recently. The fittings seeped a tiny bit of gasoline, but it was enough that I could smell fumes at times. I installed SECO flare seals in all of the Russell 6-AN fittings torqued to 150 in-lbs and the leaks are sealed. Pegasus shipped them quickly and securely. Thanks.

Displaying reviews 1-10

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