Tube Coupling Nut

Model / MPN: 189897 | NSN: 4730-00-278-8823

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

Product Details

NATO Stock Number

4730-00-278-8823

Sold in multiples of

5 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Fabrication Method

Forged

Nut Style

Tube coupling

Nut Height

0.719 inches

Width Across Flats

0.625 inches

Length To Shoulder

0.560 inches

Smallest Inside Diameter

Between 0.318 inches and 0.321 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Tube Outside Diameter

0.313 inches

Seat Angle

45.00 degrees

Material

Steel comp 12l14

Material Specification

Fed-std-66 federal standard single material response

Surface Treatment

Cadmium or zinc

Surface Treatment Specification

Qq-p-416, type 2, class 3 federal specification single treatment response or qq-z-325, type 2, class 3 federal specification single treatment response

Specification Data

96906-ms51823 government standard

18989 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

189897 Cross Reference

MS51823-4
MIL-F-18866
108-10505
8105X5
ERMET08105X5
PGF9497-4
PGF9497-4
108-10505
8105X5
ERMET08105X5
MS51823-4
MIL-F-18866
PGF9497-4
108-10505
8105X5
ERMET08105X5