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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

$1.69In Stock

3202-03-COPPER
Condition: New

SECO 7 Seal - 3AN, Copper

1 to 9: $1.89

10 to 99: $1.81

100 & up: $1.73

In Stock

3202-04-ALUM
Condition: New

SECO 7 Seal - 4AN, Aluminum

1 to 9: $1.69

10 to 99: $1.50

100 & up: $1.31

In Stock

3202-04-COPPER
Condition: New

SECO 7 Seal - 4AN, Copper

1 to 9: $1.89

10 to 99: $1.68

100 & up: $1.47

In Stock

3202-06-ALUM
Condition: New

SECO 7 Seal - 6AN, Aluminum

1 to 9: $1.79

10 to 99: $1.59

100 & up: $1.39

In Stock

3202-06-COPPER
Condition: New

SECO 7 Seal - 6AN, Copper

1 to 9: $1.99

10 & up: $1.77

In Stock

3202-08-ALUM
Condition: New

SECO 7 Seal - 8AN, Aluminum

1 to 9: $1.79

10 & up: $1.60

Not In Stock
notify me when available

3202-08-COPPER
Condition: New

SECO 7 Seal - 8AN, Copper

1 to 9: $1.99

10 to 99: $1.77

100 & up: $1.55

In Stock

3202-10-ALUM
Condition: New

SECO 7 Seal - 10AN, Aluminum

1 to 9: $1.99

10 & up: $1.79

In Stock

3202-10-COPPER
Condition: New

SECO 7 Seal - 10AN, Copper

1 to 9: $2.19

10 to 99: $1.95

100 & up: $1.71

In Stock

3202-12-ALUM
Condition: New

SECO 7 Seal - 12AN, Aluminum

1 to 9: $2.29

10 to 99: $2.04

100 & up: $1.79

In Stock

3202-12-COPPER
Condition: New

SECO 7 Seal - 12AN, Copper

1 to 9: $2.49

10 & up: $2.22

In Stock

3202-16-ALUM
Condition: New

SECO 7 Seal - 16AN, Aluminum

1 to 9: $2.79

10 & up: $2.49

In Stock

3202-16-COPPER
Condition: New

SECO 7 Seal - 16AN, Copper

1 to 9: $2.99

10 & up: $2.67

In Stock

3202-20-ALUM
Condition: New

SECO 7 Seal - 20AN, Aluminum

1 to 7: $3.99

8 to 59: $3.58

60 & up: $3.16

In Stock

3202-20-COPPER
Condition: New

SECO 7 Seal - 20AN, Copper

1 to 7: $5.79

8 to 59: $5.21

60 & up: $4.63

In Stock
 
Related Product Groups
AN Adapters & Fittings

REVIEW SNAPSHOT®

by PowerReviews
SECO 7, AN 37 Degree Flare Seal
 
4.9

(based on 16 reviews)

Ratings Distribution

  • 5 Stars

     

    (14)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

No Pros

Cons

No Cons

Best Uses

No Best Uses
    • Was this a gift?:
    • No (3)

Reviewed by 16 customers

Displaying reviews 1-10

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5.0

Small item purchased, but still great service anyway

By vjjack

from Hereford, AZ

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

I only purchased a couple small items at very little cost, yet the service and shipping was still tremendous. The Pegasus racing website is great and, again, the response and service was super. Will definitely use Pegasus in the future.

Service and delivery comments:

Great service and shipping; very timely.

  • Was this a gift?:
  • No
 
5.0

Used these and solved the problem - Thanks

By F100

from Clearwater FL

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

Solved the leak problem - Thanks

  • Was this a gift?:
  • No
 
5.0

Worked really well

By Justin

from Hollister ca

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

These helped seal a flare job I did. Wished I bought more I plan to use these on every job

  • Was this a gift?:
  • No
 
5.0

It worked!

By Fast402

from Denver, CO

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

I replaced three hose ends before I realized I must have damaged the male fitting coming out of my fuel pump hanger. Big problem! So I went searching and bought some copper flare seals from Pegasus. My leak is fixed and I am saved a really nasty job to replace the damaged part.

Service and delivery comments:

Great service and prompt delivery!

 
5.0

Workded for me

By Bobby K

from MA

Verified Buyer

Comments about SECO 7, AN 37 Degree Flare Seal:

Used to seal a leaking clutch hydraulic line fitting. Easy to use and convenient.

Service and delivery comments:

Shipping was fast.

 
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!

Displaying reviews 1-10

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