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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Unit of Measure

Specifications

Tubing O.D. (REF)

 N/A 0.250

A Thread
Class 3B

 N/A 0.4375-20 UNJF

B (± .020)

 N/A 0.625

C (± .015)

 N/A 0.530

D (± .015)

 N/A 0.150

O-Ring Dash Number

 N/A -012

Weight with O-ring lb/100 pcs approx.

 N/A 1.05

Features

 N/A Skydrol And Other Phosphate Esters

Notes

N/A NOTES: UNLESS OTHERWISE SPECIFIED
1. PART NUMBER CODING:
ADD "-D" TO BASIC PART NUMBER WHEN USE WITH MIL-H-5606 HYDRAULIC FLUID AND FUEL.
ADD "-B" TO BASIC PART NUMBER WHEN USE WITH SKYDROL AND OTHER PHOSPHATE ESTERS.
2.
RED COLOR FOR RF9800C-D.
BLUE COLOR FOR RF7800C-B.
3.
FOR "-D": O-RING PER MS28775, COMPOUND PER MIL-P-25732
FOR "-B": O-RING PER MS28775, COMPOUND PER NAS1613.
4. CAP NUMBER TO BE MARKED ON EITHER SURFACE NOTED (MFR'S OPTION).
5. DIMENSION APPLIES TO OUTSIDE DIAMETER INCLUDING KNURL.