Howmet Fastening Systems
Howmet Fastening Systems
Phone: Sales +1 800 992 4444
Technical Support +1 310 784 6409
Email: HFSTechSupport@howmet.com
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).
RFKA9900_13
Unit of Measure
1 

Item #

AIRBUS Part Number

SAE Part Number

Tube OD

A Thread ISO3161 Class-3A (AS8879)

B Thread ISO3161 Class-3A (AS8879)

C Dia.( ± .005)

D Diameter

E (+.005/-.002)

F Dia. Min

G Dia.

H ( ± .005)

J (+.000/-.015)

K (+.010/-.005)

L ( ± .007)

M No. of Teeth

O-Ring Size

Weight

RFKA9904-13 N/A ABS0993-04 N/A AS5550-04 N/A 0.250 Inch N/A 0.4375-28 UNJEF Inch N/A 0.3125-24 UNJF Inch N/A 0.514 Inch N/A 0.160-0.166 Inch N/A 0.239 Inch N/A 0.331 Inch N/A 0.400 Inch N/A 0.752 Inch N/A 0.355 Inch N/A 0.125 Inch N/A 0.192 Inch N/A 30 N/A AS568-010 N/A 0.0160 lb/ea
RFKA9906-13 N/A ABS0993-06 N/A AS5550-06 N/A 0.375 Inch N/A 0.5625-24 UNJEF Inch N/A 0.4375-20 UNJF Inch N/A 0.700 Inch N/A 0.273-0.279 Inch N/A 0.364 Inch N/A 0.456 Inch N/A 0.544 Inch N/A 0.789 Inch N/A 0.395 Inch N/A 0.125 Inch N/A 0.210 Inch N/A 36 N/A AS568-012 N/A 0.0270 lb/ea
RFKA9908-13 N/A ABS0993-08 N/A AS5550-08 N/A 0.500 Inch N/A 0.7500-20 UNJEF Inch N/A 0.5625-18 UNJF Inch N/A 0.814 Inch N/A 0.377-0.383 Inch N/A 0.482 Inch N/A 0.574 Inch N/A 0.670 Inch N/A 0.882 Inch N/A 0.430 Inch N/A 0.125 Inch N/A 0.210 Inch N/A 40 N/A AS568-014 N/A 0.0410 lb/ea
RFKA9910-13 N/A ABS0993-10 N/A AS5550-10 N/A 0.625 Inch N/A 0.8750-20 UNJEF Inch N/A 0.6875-24 UNJEF Inch N/A 1.040 Inch N/A 0.477-0.483 Inch N/A 0.625 Inch N/A 0.717 Inch N/A 0.824 Inch N/A 0.945 Inch N/A 0.465 Inch N/A 0.125 Inch N/A 0.210 Inch N/A 38 N/A AS568-016 N/A 0.0660 lb/ea
RFKA9912-13 N/A ABS0993-12 N/A AS5550-12 N/A 0.750 Inch N/A 1.0625-18 UNJEF Inch N/A 0.8125-20 UNJEF Inch N/A 1.170 Inch N/A 0.576-0.584 Inch N/A 0.737 Inch N/A 0.891 Inch N/A 0.981 Inch N/A 1.018 Inch N/A 0.527 Inch N/A 0.157 Inch N/A 0.220 Inch N/A 40 N/A AS568-116 N/A 0.0910 lb/ea
RFKA9916-13 N/A ABS0993-16 N/A AS5550-16 N/A 1.000 Inch N/A 1.3125-16 UNJ Inch N/A 1.1250-18 UNJEF Inch N/A 1.456 Inch N/A 0.804-0.814 Inch N/A 1.000 Inch N/A 1.154 Inch N/A 1.251 Inch N/A 1.018 Inch N/A 0.564 Inch N/A 0.157 Inch N/A 0.220 Inch N/A 36 N/A AS568-120 N/A 0.1550 lb/ea
RFKA9920-13 N/A ABS0993-20 N/A AS5550-20 N/A 1.250 Inch N/A 1.6250-16 UNJ Inch N/A 1.3125-18 UNJEF Inch N/A 1.782 Inch N/A 1.001-1.011 Inch N/A 1.225 Inch N/A 1.379 Inch N/A 1.466 Inch N/A 1.045 Inch N/A 0.569 Inch N/A 0.157 Inch N/A 0.240 Inch N/A 56 N/A AS568-123 N/A 0.1970 lb/ea
Unit of Measure
1