Military Standard MS28778-6 O-Ring, Rubber

Military Standard MS28778-6 O-Ring, Rubber

overstock

Proponent

Part # MS28778-6=15

MS28778-6 is a high-quality tube fitting boss gasket for aerospace hydraulic and fuel systems. It replaces AN6290 gaskets, providing a secure, leak-proof fit for 3/8-inch tube outer diameter with durable 90 Shore A rubber.
Buy now from
Boeing Distribution (formerly Aviall)

Overview

This precision-engineered black rubber O-ring is designed for high-pressure aircraft engines and hydraulic fittings. It ensures system integrity and simplifies maintenance with standardized sizing and robust construction for long service life.

Features & Benefits

  • Fully interchangeable with legacy AN6290 gaskets
  • Precise fit for 3/8-inch tube outer diameter
  • Meets stringent aerospace standards for flight safety
  • High-durometer construction ensures leak-proof seal
  • Standardized design simplifies maintenance and compatibility
  • Durable rubber material provides long-lasting performance

Specifications

  • Series: MS28778
  • Inside Diameter: 0.468 in
  • Outside Diameter: 0.078 in
  • Durometer: 90 Shore A
  • Material: Rubber
  • Color: Black
  • Shelf Life: 5475 days
  • Suitable For Use With: Aircraft Engines
  • Domestic/Import: Domestic

Technical Information

UNSPSC Code

31401503

UNSPSC Category

O ring molded gasket

FAA Approval Code

STD

Condition

New

CAGE Code

59789

Country of Origin

United States

Harmonized Tariff Schedule Code

4016930000

Storage Required

No

Lead Time (Days)

30

Shelf Life

Yes

Total Shelf Life (Days)

5475

Forecasted

Yes

Dimensions (L x W x H)

4 x 4 x 0.07 Inch

Package Weight

0.01 LB

Aircraft Makes

Bell Helicopter
Piper
Airbus
McDonnell Douglas
Beech
Cessna
2 more

Aircraft Models

767-200EM
B58
PA-31T3
787-8
MD11
787-9
170 more

Engine Makes

IAE

Engine Models

V2500-A1
V2500-A5

Shipping Details

Hazmat Code

ZND

ECCN

9A991.d

Schedule B

4016930000

8130-3 Eligible

No

Hazmat

No

Part Explosive

No

Item Replacement History

Buy now from
Boeing Distribution (formerly Aviall)
DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. See terms & conditions.