MIL-DTL-26521L
4.4.3 First article hose assemblies. Hose assemblies subjected to first article inspection are not to be
delivered on the contract or purchase order only as first article test samples (see 4.4.5). Only hose assemblies
that have been subjected to non-destructive tests specified in table IV and 100 percent inspected shall be
delivered on the contract or purchase order.
TABLE IV. First article inspections.
Requirement
Test
Inspection
paragraph
procedure
Liner inspections 1/
---
Liner material
---
Liner thickness
Liner tensile strength and elongation
Liner volume change
Liner extractable material
Liner fuel contamination
Liner fuel discoloration
Liner low temperature
Cover inspections 1/
Cover material
Cover thickness
Cover tensile and elongation
Cover ozone resistance
Cover volume change
Cover low temperature resistance
Cover material abrasion resistance
Hose inspections 1/
Marking durability
Age limit
---
Hose ID
Length
Adhesion
Hose assembly inspections
Working pressure
Proof pressure
Burst resistance
Hose assembly static dissipation test
Low temperature flexibility
Collapsibility
Durability 2/
Hose assembly cyclic surge
Coupler pressure cycling endurance test
Examinations
Couplings
---
Hose identification
---
Coupling identification
---
Coupling caps
---
Cleanliness
1/ Hose inspections without couplings.
2/ The 4 inch (102 mm) ID hose assemblies will not be subjected to this test.
11
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business