Alcoa Fastening Systems & Rings Aerospace Alcoaalcoa.com

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

SAE Ident. Number

N/A AS5103-08

System operation pressure (MAX)

N/A 5000

A Thread AS8879 Class-3A

N/A 0.5625-18 UNJF

B (± .005)

N/A 0.814

C

N/A 0.392-0.408

D (+.005/-.002)

N/A 0.482

E (MIN)

N/A 0.574

F (REF)

N/A 0.670

G (+.010/-.005)

N/A 0.459

H (+.000/-.015)

N/A 0.430

J (+.010/-.005)

N/A 0.125

K (<±> .007)

N/A 0.210

O-Ring Size (REF)

N/A AS568-014

Adapter Weight (LBS/100 PCS Approx)

N/A 3.212

Port SAE Ident. No.

N/A AS1300-08

Port - AFSR No.

N/A PS10035-08

L (MAX)

N/A 0.130

M (± .020)

N/A 0.279

Porting Tool No.

N/A RPT08

Basic Broach Tool Impact Type

N/A RFOPB5008

O-Ring Installation Tool Number

N/A ORT562

Combination Wrench and Drive Tool

N/A RF6908W

Locking Drive Tool

N/A RF9808DEK

Locking Removal Tool

N/A RF08LPDE

N/A ENGINEERING INFORMATION:
a. THESE PARTS ARE PRIMARILY DESIGNED FOR USE IN 4000 AND 5000 PSI HYDRAULIC WORKING PRESSURE SYSTEMS (MEETING PERFORMANCE REQUIREMENTS OF AS85421. TYPE II OR AS85720 TYPE II, SEE SPECIFICATION) COMPATIBLE WITH TITANIUM.
b. THESE PARTS PROVIDE SEMI-PERMANENT PLUG INSTALLATIONS IN VALVE AND CYLINDER BODIES, MANIFOLDS ETC...
c. SERRATED LOCKRING PREVENTS ROTATION.

N/A INSTALLATION INFORMATION:
d. PLUGS TO BE INSTALLED AND REMOVED PER METHOD DESCRIBED IN AFS TECHNICAL SALES BULLETIN TSB91-0926 OR SAE STANDARD AS5104.
e. "L" AND "M" STAND-OFF DIMENSIONS ARE FOR DESIGN PURPOSES ONLY. DO NOT USE AS INSTALLATION DATA.
f. O-RINGS MUST BE SPECIFIED SEPARATELY AND SHALL BE SELECTED BASED ON SYSTEM FLUID AND TEMPERATURE AND ARE NOT SUPPLIED BY AFS.

N/A UNLESS OTHERWISE SPECIFIED:
3. LOCKRING RETAINED ON ADAPTER BY CONTROLLED INTERFERENCE FIT.
4. SEALING SURFACE: NO VISIBLE DEFECTS. TO BE PROTECTED FOR SHIPMENT. TAKE CARE IN HANDLING.
5. THIS PART IS USED IN CONJUNCTION WITH AN O-RING, O-RING SIZE PER AS568.
6. IDENTIFICATION:

  • MARK AT LOCATION SHOWN PER AS478, METHOD 2 OR 15, MANUFACTURER'S NAME, TRADEMARK OR CAGE CODE.
  • BAG AND TAG PER AS478, METHOD 35D. MANUFACTURER'S NAME, TRADEMARK OR CAGE CODE, AS5103 PART NUMBER, IF APPLICALE AFS PART NUMBER.

    7. ALL MACHINED SURFACES SHALL BE SMOOTH TO 125 MICROINCHES Ra, SERRATION 250 MICROINCHES Ra
    AND SEALING SURFACES 63 MICROINCHES Ra PER ASME B46.1.
    8. BREAK EDGES .003 - .015.
    9. PROCUREMENT SPECIFICATION: SAE AS85421 AND AS85720 EXCEPT AS SPECIFIED ON THIS CATALOG.