Howmet Fastening Systems
Howmet Fastening Systems
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Website: www.hfs.howmet.com
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THREAD: AS8879 Class-3A
  1. MATERIALS:
    • Fitting: 6AI-4V titanium per AMS4928, AMS4965 or AMS4967, 130 KSI UTS MIN.
    • Lockring: A286 cres per AMS5731, AMS5732, AMS5734 or AMS5737, 34-40 HRC.
  2. FINISH:
    • Fitting: Anodic treatment per AMS2488, Type 2.
    • Lockring: Passivate per AMS2700, Type 2.
Unit of Measure

Specifications

SAE Ident. Number

 N/A AS1985-03

Tube OD

 N/A 0.188

A Thread AS8879 Class-3A

 N/A 0.3750-24 UNJF

B Thread AS8879 Class-3A

 N/A 0.2500-28 UNJF

C (± .005)

 N/A 0.468

D

 N/A 0.121-0.128

E (+.005/-.002)

 N/A 0.186

F (MIN)

 N/A 0.278

G

 N/A 0.349

H (+.010/-.005)

 N/A 0.774

J (+.000/-.015)

 N/A 0.355

K (+.010/-.005)

 N/A 0.125

L (± .007)

 N/A 0.192

O-Ring Size

 N/A AS568-008

Adapter weight lbs/ea (MAX)

 N/A 0.014

Port PS10035 (AS1300)

 N/A PS10035-03

N (MAX)

 N/A 0.124

P (± .020)

 N/A 0.608

Porting Tool No.

 N/A RPT03

Basic Broach Tool Impact Type

 N/A RFOPB5003

O-Ring Installation Tool Number

 N/A ORT250

Combination Wrench and Drive Tool

 N/A RF9803DW

Lockring Removal Tool Number

 N/A RF03LPDE

Engineering information

N/A ENGINEERING INFORMATION:
a. THESE PARTS ARE PRIMARILY DESIGNED FOR USE IN 4000 PSI HYDRAULIC WORKING PRESSURE SYSTEMS COMPATIBLE WITH TITANIUM.
b. THESE PARTS PROVIDE SEMI-PERMANENT MALE ADAPTER INSTALLATIONS IN VALVE AND CYLINDER BODIES, MANIFOLDS ETC...
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 SAE STANDARD AS1301.
e. "N" AND "P" STAND-OFF DIMENSIONS ARE FOR DESIGN PURPOSES ONLY. DO NOT USE AS INSTALLATION DATA.
f. THIS DIMENSION MEETS THE MINIMUM REQUIREMENTS OF AS4395, STYLE "E".
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
3. LOCKRING RETAINED ON ADAPTER BY CONTROLLED INTERFERENCE FIT.
4. SEALING SURFACE: NO VISIBLE DEFECTS. TO BE PROTECTED FOR SHIPMENT.
5. O-RING DASH NUMBERS SHOWN CONFORM TO AS568 UNIFORM DASH NUMBERING SYSTEM.
6. IDENTIFICATION:

  • MARK AT LOCATION SHOWN PER AS478 METHOD 2 OR 15, MANUFACTURER'S NAME, TRADEMARK OR CAGE CODE.

  • MARK PER AS478 METHOD 35D. NAME, TRADEMARK OR CAGE CODE, AS1985, IF APPLICABLE HFS PART NUMBER.


    • 7. ALL MACHINED SURFACES SHALL BE SMOOTH TO 125 MICROINCHES Ra, SERRATION 250 MICROINCHES Ra,
    SEALING SURFACES 63 MICROINCHES Ra PER ASME B46.1.
    8. BREAK EDGES .003-.015.
    9. PROCUREMENT SPECIFICATION: AS4841 EXCEPT AS SPECIFIED ON THIS DRAWING.