You are not authorized to perform this action. Please contact your administrator if you think this is a mistake.

ST1946-904 O-Ring

United Technologies Corporation

Part # ST1946-904

The ST1946-904 O-Ring ensures reliable sealing in KC-46A aircraft with specific dimensions and high durability. Made from rubber fluorocarbon, it meets military specs and FAA certification, crucial for weapons systems, delivering optimal performance in demanding conditions.
Buy now from
Commercial Spares

Overview

The ST1946-904 O-Ring is engineered for reliable sealing in the KC-46A aircraft, ensuring optimal performance in several applications. With a center hole diameter of 0.346 to 0.356 inches and a cross-sectional height of 0.069 to 0.075 inches, this O-Ring meets stringent military specifications. Made from rubber fluorocarbon class FPM, it adheres to Mil-R-83485 Type 1 standards, making it essential for critical weapons systems. The hardness rating of 70.0 to 80.0 Shore Durometer A guarantees durability and performance in demanding conditions, while FAA certification validates its reliability in aviation.

Features & Benefits

Features
  • Center hole diameter: 0.346 to 0.356 inches
  • Cross-sectional height: 0.069 to 0.075 inches
  • Constructed from rubber fluorocarbon class FPM, meeting Mil-R-83485 Type 1 specifications
Benefits
  • Ensures reliable sealing in critical aircraft systems
  • Durable construction suitable for demanding environments
  • FAA certification enhances performance and safety

Technical Information

ATA Number

72,
73,
79

ATA Chapter

Engine Turbine / Turbo Prop Ducted Fan / Unducted Fan
Engine Fuel and Control
Oil

ATA Group

Power Plant

ATA Section

INLET GEARBOX
FUEL CONTROL SYSTEM
EEC BITE INDICATING SYSTEM
OIL DISTRIBUTION
OIL TUBES

NIIN

014124828

NSN

5331-01-670-1690

FSCG

5331

FSCG Category

O-Ring

Lead Time (Days)

135

Multi Spec

MIL-R-83485

Certification Status

CERTIFIED

ATA Part Number

ST1946-904

CAGE Code

77445

Commercial Part

Yes

Harmonized Tariff Schedule Code

4016935010

Repairable

No

Specification Part Number

ST1946-904

Supplier Part Number

ST1946-904

Landing Gear Part

No

Leasable

No

Returnable

No

Aircraft Makes

Boeing

Aircraft Models

747-400PC
767-300EREM
757-200PF
767-300BCF
767-300
777-200ER
14 more

Engine Makes

Pratt & Whitney

Engine Models

PW4170
PW4168
PW4050-3
PW4168A
PW4060A
PW4052
11 more

Shipping Details

ITAR Compliant

No

Part Explosive

No

ECCN

9A991.d

Dry Ice

No
Buy now from
Commercial Spares
Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. See terms & conditions.