Howmet Fastening Systems
Howmet Fastening Systems
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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: Dry film lubricant per AS5272, Type I, on all surfaces except none in flow hole.
    • Lockring: Passivate per AMS2700, Type 2.
Unit of Measure

Specifications

Tube OD

 N/A 0.312

A Thread
AS8879
CLASS-3A

 N/A 0.5000-24 UNJS

B Thread
AS8879
CLASS-3A

 N/A 0.3750-24 UNJF

C (± .005)

 N/A 0.624

D

 N/A 0.231-0.237

E (+.005/-.002)

 N/A 0.301

F (MIN)

 N/A 0.393

G (REF)

 N/A 0.491

H (+.010/-.005)

 N/A 0.592

J (+.000/-.015)

 N/A 0.381

K (+.010/-.005)

 N/A 0.125

L (± .007)

 N/A 0.192

M

 N/A 36.000

N (MAX)

 N/A 0.124

P (± .020)

 N/A 0.431

O-Ring Size

 N/A AS568-011

System operation pressure (MAX)

 N/A 4000

Adapter Weight (LBS/100 PCS Approx)

 N/A 1.900

Port SAE Ident. No.

 N/A AS1300-05

Port - HFS No.

 N/A PS10035-05

Porting Tool No.

 N/A RPT05

Basic Broach Tool Impact Type

 N/A RFOPB5005

O-Ring Installation Tool Number

 N/A ORT375

Combination Wrench and Drive Tool

 N/A RF5005DW

Locking Removal Tool

 N/A RF05LPDE

Installation torque lbf-in MIN

 N/A 100

Installation torque lbf-in MAX

 N/A 125

Engineering information

N/A ENGINEERING INFORMATION:
a. THESE PARTS ARE PRIMARILY DESIGNED FOR USE IN 4000 AND 5000 PSI HYDRAULIC WORKING PRESSURE SYSTEMS (SAE PROCUREMENT SPECIFICATION AS85421, TYPE II AND AS85720, TYPE II), COMPATIBLE WITH TITANIUM (SEE SPECIFICATION).
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 AS1300 (EXCEPT INSTALLATION TORQUE, SEE TABLE III).
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 SAE AS85421/1 AND AS85720/1 EXCEPT SIZES -02, -20 AND -24.
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. 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, AS1986 PART NUMBER IF APPLICALE HFS 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.