Howmet Fastening Systems
Howmet Fastening Systems
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Website: www.hfs.howmet.com
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THREAD: ISO3161 Class-3A (AS8879)
  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 and PTFE coating (color: white).
Unit of Measure

Specifications

AIRBUS Part Number

 N/A ABS0993-20

SAE Part Number

 N/A AS5550-20

Tube OD

 N/A 1.250 Inch

A Thread ISO3161 Class-3A (AS8879)

 N/A 1.6250-16 UNJ Inch

B Thread ISO3161 Class-3A (AS8879)

 N/A 1.3125-18 UNJEF Inch

C Dia.( ± .005)

 N/A 1.782 Inch

D Diameter

 N/A 1.001-1.011 Inch

E (+.005/-.002)

 N/A 1.225 Inch

F Dia. Min

 N/A 1.379 Inch

G Dia.

 N/A 1.466 Inch

H ( ± .005)

 N/A 1.045 Inch

J (+.000/-.015)

 N/A 0.569 Inch

K (+.010/-.005)

 N/A 0.157 Inch

L

 N/A 0.240 Inch

M No. of Teeth

 N/A 56

O-Ring Size

 N/A AS568-123

Weight

 N/A 0.1970 lb/ea

HFS port PS10035

 N/A PS10035-20

AIRBUS Port ABS0919

 N/A ABS0919-20

SAE Port AS5551

 N/A AS5551-20

N Max

 N/A 0.140 Inch

P( ± .0175)

 N/A 0.838 Inch

Porting Tool No.

 N/A RPT20

Chip Removal Tool Number

 N/A RF20CRP

Broach Tool Non-Impact Type Number

 N/A RFOPB5020HDB

O-Ring Installation Tool Number

 N/A ORT1312

Combination Wrench and Drive Tool

 N/A RFKA9920DW

Lockring Removal Tool Number

 N/A RF20LPDE

Engineering information

N/A

  1. Adapters are primarily designed for use in 5080 PSI hydraulic working pressure systems (ref: EADS/Airbus spec ABS1376/SAE AS5000) compatible with titanium.
  2. These parts provide semi-permanent male adapter installations in valve and cylinder bodies, manifolds etc...
  3. Serrated lockring prevents rotation when mating lines are atiached or removed.

Installation information

N/A

  1. Adapters to be installed and removed per HFS bulletin TSB01-0720 (SAE AS5551).
  2. "N" and "P" Stand-Off dimensions are for design purposes only. Do not use as installation data.
  3. O-rings must be specified separately and shall be selected based on system fluid and temperature and are not supplied by HFS.
  4. Coupling nuts used with this adapter must have threads in accordance with ISO 3161 or AS8879.
  5. Stand-off dimensions meet minimum requirements of EN6123 (SAE AS5827).

Notes

N/A Unless otherwise specified

  1. Lockring retained on adapter by controlled interference fit.
  2. Sealing surface: no visible defects. To be protected for shipment. Take care in handling.
  3. Adapters are used in conjunction with an O-ring. O-ring size per AS568 (NAS1611).
  4. Identification: (EN2424, style P)
      a. Mark at location shown per AS478, method 2 or 15, manufacturer’s name, trademark or cage code.
      b. Bag and tag per AS478, method 35D and ABS1376. Manufacturer’s name, trademark or cage code, customer part number if applicable, HFS part number and lot number.
  5. All machined surfaces shall be smooth to 125 microinches Ra, serration 250 microinches Ra and sealing surfaces 63 microinches Ra per ASME B46.1.
  6. Fittings to be cleaned to meet the requirements of Airbus spec ABS1376 (ref: AS4059, class 7, Validation per Airbus A380 procedure).
  7. Protective individual packaging mandatory. Packaging and container per Airbus spec ABS1376.
  8. Procurement specification: ABS1376 (SAE AS5000) except as specified on this standard.