Howmet Fastening Systems
Howmet Fastening Systems
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Website: www.hfs.howmet.com
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THREAD: MA1370(ISO 5855-3) -4g6g
  1. MATERIALS:
    • Fitting : 6AI-4V titanium per AMS4928, AMS4965 or AMS4967 annealed, 900 MPa UTS MIN.
    • Lockring: A286 cres per AMS5731 or AMS5734, 34-40 HRC.
  2. FINISH:
    • Fitting : Anodic treatment per AMS2488, Type 2.
    • Lockring: Passivate per AMS2700, Type 2.
Unit of Measure

Specifications

Tube OD (REF)

 N/A 22.000

A Thread
MA1370 (ISO 5855-3)
-4g6g

 N/A MJ30x1.5

B Thread
MA1370 (ISO 5855-3)
-4h6h

 N/A MJ24x1.5

C (± .09)

 N/A 33.700

D

 N/A 20.80-21.10

E (+.20/-0)

 N/A 17.650

F (+0.15/-0.05)

 N/A 21.900

G (REF)

 N/A 27.410

H (MIN)

 N/A 24.350

K (± .20)

 N/A 23.250

L (+.50/-0)

 N/A 14.000

M (+.15/-.10)

 N/A 3.000

N (± .40)

 N/A 15.500

P (± .20)

 N/A 7.000

O-Ring Size (REF)

 N/A A0212

Adapter weight kg/100 pcs approx

 N/A 4.900

Port number Rosan PS10047

 N/A -253

R (± .50)

 N/A 15.600

S (MAX)

 N/A 4.100

Porting Tool No.

 N/A RPTM253

Basic Broach Tool Impact Type

 N/A RFMOPB253

O-Ring Installation Tool Number

 N/A ORTM2415

Combination Wrench and Drive Tool

 N/A RFM253-3015DW

Lockring Removal Tool Number

 N/A RFM253LPDE

SAE Part Number

 N/A MA2111-22

AECMA part number

 N/A EN3566-2422

Port number MA2110
EN2602

 N/A -253

Engineering information

N/A ENGINEERING INFORMATION:
a. THESE PARTS ARE PRIMARILY DESIGNED FOR USE IN 28000 kPa HYDRAULIC WORKING PRESSURE SYSTEMS, 235°C MAX TEMPERATURE AND COMPATIBLE WITH TITANIUM.
b. THESE PARTS PROVIDE SEMI-PERMANENT MALE ADAPTER INSTALLATIONS IN VALVE AND CYLINDER BODIES, MANIFOLDS ETC. WITH 115000 kPa SHEAR STRENGTH MINIMUM.
c. SERRATED LOCKRING PREVENTS ROTATION WHEN MATING LINES ARE ATTACHED OR REMOVED.

Installation information

N/A INSTALLATION INFORMATION:
d. ADAPTERS TO BE INSTALLED AND REMOVED PER HFS TECHNICAL SALES BULLETIN TSB80-0305 OR SAE STANDARD MA2114 OR AECMA EN2608.
e. "R" AND "S" STAND-OFF DIMENSIONS ARE FOR DESIGN PURPOSES ONLY. DO NOT USE AS INSTALLATION DATA.
f. THIS DIMENSION MEETS THE MINIMUM REQUIREMENTS OF AECMA STANDARD EN2604,
EXCEPT -04 PER MBB STANDARD NO. TKF-4500F-01-02.
g. O-RINGS MUST BE SPECIFIED SEPARATELY AND SHALL BE SELECTED BASED ON SYSTEM FLUID AND TEMPERATURE AND ARE NOT SUPPLIED BY HFS.

Notes

N/A NOTES: UNLESS OTHERWISE SPECIFIED
2. LOCKRING RETAINED ON ADAPTER BY CONTROLLED INTERFERENCE FIT. ONE TOOTH REMOVED FROM THE LOCKRING EXTERNAL SERRATION FOR IDENTIFICATION PURPOSES.
3. SEALING SURFACE: NO VISIBLE DEFECTS. TO BE PROTECTED FOR SHIPMENT. TAKE CARE IN HANDLING.
4. THIS PART IS USED IN CONJUNCTION WITH AN O-RING . O-RING SIZE PER MA2010 (ISO 3601/I SERIES A).
5. ALL INTERIOR PACKAGES SHALL BE MARKED WITH MA2111-( ) OR EN3566-( ) IDENTIFICATION NUMBER,
EXCEPT FOR SIZE -04, AND SHALL ALSO BE DURABLY MARKED WITH THE COMPLETE HFS PART NUMBER PER AS478, METHOD 35D (EN2424, STYLE G).
6. SURFACE ROUGHNESS: MACHINED SURFACES SHALL BE SMOOTH TO 3.2 MICROMETER Ra, EXCEPT SERRATION 6.3 MICROMETER Ra AND SEALING SURFACES 1.6 MICROMETER Ra PER ASME B46.1.