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Grooved Clamp Coupling

Model / MPN: 12518-581 | NSN: 5342-00-106-5450
ITAR Registered seal

A metal loop having either a v or u cross section or channelled segmen (s). It may be attached to a flat band. It is designed to create a fluid tight joint and/or connect pipe, tubing, tank cover(s), duct(s) and the like, by mating with flanged or beaded ferrule(s), flared, or beaded ends. It may or may not have a sealing inner liner. A latch or latches of the quick coupling type, nut or bolt type, or threaded trunnion type is (are) used to lock and adjust the band. Excludes coupling, clamp, pipe and ring, locking, metal drum cover.

Product Details
NATO Stock Number
Sold in multiples of
Cross Sectional Shape
Grooved retainer
Inside Diameter
5.812 inches
Tempurature Rating
Not rated
Retainer Thickness
0.080 inches
Maximum Load Rating
Not rated
Latch Style
Included Angle In Deg
Nut Type
Self-locking hexagon
Segment Quantity
Sealing Inner Liner
Not included
Retainer Width
0.880 inches
Root Width
0.207 inches
Band Thickness
0.063 inches
Band Width
0.880 inches
Material And Location
Steel, mil-s-18732, type 431 bolt
Material And Location
Steel, mil-s-5059, type 301, 1/2 hard band
Material And Location
Steel, mil-s-5059, type 301, 1/4 hard inner liner
Material And Location
Steel, mil-s-5059, type 302, 1/2 hard segment
Material And Location
Steel, mil-s-7720, comp 302 nut
Drilled Lockwire Hole
Not included
0.281 inches
Specification Data
81205-bacc10ac manufacturers specification

Pricing and Availability

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12518-581 Cross Reference
  • U47-581DS
  • 15097-5-810
  • U47-581
  • BACC10AC581
  • 12518-581