Tube Coupling Nut Assembly

Model / MPN: 63551-56A | NSN: 4730-01-028-7976

An item consisting of an internally threaded nut and an integral floating washer designed to be used with a gasket seal to connect beaded or swaged ferruled thin wall tubing to a coupling body, boss connection, or the like to form a flexible or rigid leakproof connection.

Product Details

NATO Stock Number

4730-01-028-7976

Sold in multiples of

1 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Overall Length

0.701 inches

Outside Diameter

4.427 inches

Thread Size

4.250-12

Tube Outside Diameter For Which Designed

3.500 inches

Screw Thread Series Designator

Working Pressure And Service Type

125.0 pounds per square inch jet fuel

Working Tempurature And Service Type

65.0 degrees fahrenheit jet fuel and 160.0 degrees fahrenheit jet fuel

Material

Aluminum alloy

Material

Aluminum alloy

Surface Treatment

Anodize

Style Designator

Nut assembly

Surface Treatment

Anodized, mil-a-8625

63551 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

63551-56A Cross Reference

GC550EH56A
AS1713D56
GC550EH