Tube Fitting Locknut

Model / MPN: 5857-0403 | NSN: 4730-00-277-6371

An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing rin (s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also locknut, pipe; nut (1), tube coupling and nut (1) , plain, hexagon.

Product Details

NATO Stock Number

4730-00-277-6371

Sold in multiples of

100 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Nut Style

Tube fitting locknut

Nut Height

0.281 inches

End Application

Grumman a10 aircraft; boeing vertol cargo transport helicopter, model c-47; f-18 aircraft

Width Across Flats

0.688 inches

Thread Series

Unf

Packing Recess Diameter

0.608 inches

Packing Recess Depth

0.042 inches

Thready Qty Per Inch (tpi)

Thread Size

0.438 inches

Tube Outside Diameter

0.250 inches

Material

Aluminum alloy 2014

Material Specification

Qq-a-225/4, alloy 2014, t6 federal specification single material response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 2, class 2 military specification single treatment response

Specification Data

88044-an6289 government standard

5857 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE7M319T1819	Locknut, Tube Fittin	2591	EA	11/16/2018

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

5857-0403 Cross Reference

AN6289-4D
AN6289-4D
AS5179D04
AN6289D4
AN6289D4
AN6289D4
AN6289D4
AN6289D4
MIL-F-5509
Q37-4
AN6289D4
10086128
477 676
752 522
905857-0403
AN6289D4
AN6289D4
AN6289D4