Synthetic Federal Specifications

9-5.9.5 Removal Criteria

A synthetic webbing sling shall be removed from service if any of the following conditions are present:
a) Missing or illegible sling identification (see Section 9-5.7)
b) Acid or caustic burns
c) Melting or charring of any part of the sling
d) Holes, tears, cuts, or snags
e) Broken or worn stitching in load-bearing splices
f) Excessive abrasive wear
g) Knots in any part of the sling
h) Discoloration and brittle or stiff areas on any part of the sling, which may mean chemical or ultraviolet/ sunlight damage
i) Fittings that are pitted, corroded, cracked, bent, twisted, gouged, or broken
j) For hooks, removal criteria as stated in ASME B30.10
k) For rigging hardware, removal criteria as stated in ASME B30.26
l) Other conditions, including visible damage, that cause doubt as to the continued use of the sling