Long Forged Nut

Description Long Forged Nut is an integrated ultra-heavy connector designed for hard flared steel pipes in the SAE 45° standard. Through hot forging + full-length precision machining, it achieves: Ultra-high burst strength (200% higher than castings) Zero moving parts sealing reliability...

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Product Introduction

Part#	Thread Size UNF	PARKER	MAF	Automann	Fairview	Tramec Sloan
1703-D	1/4	14FL-4	10028	177.8364-L	39-4	S41L-4
1703-E	3/8	14FL-6	10030	177.8366-L	39-6	S41L-6
1703-F	1/2	14FL-8	10031	177.8368-L	39-8	S41L-8
1703-H	5/8	14FL-10	10032	177.83610-L	39-10	S41L-10
1703-G	3/4		10033	177.83612-L	39-12

Description

Long Forged Nut is an integrated ultra-heavy connector designed for hard flared steel pipes in the SAE 45° standard. Through hot forging + full-length precision machining, it achieves:
Ultra-high burst strength (200% higher than castings)
Zero moving parts sealing reliability
Extreme thermal cycle tolerance
Applied in life-or-death scenarios such as ship power, high-pressure hydraulic stations, and heavy-duty machinery.

Difference from Long Rod Nut

Dimensions	Long Rod Nut	Long Forged Nut
Structural nature	Split type (nut + movable bushing)	One-piece forging, built-in fixed 45° cone
Sealing mechanism	Bushing and fitting body conical surface pressed	Steel pipe flare and nut conical surface/fitting body double pressed
Failure mode	Bushing fracture (high-pressure impact)	Plastic deformation of steel pipe expansion (visual warning)
Applicable pipe materials	Hose/plain end steel pipe	Only hard SAE 45° flared steel pipe
Bending stiffness	Medium (relying on bushing support)	Extremely high (forging wall thickness ↑40%)

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Short Rod Nut