MIL-DTL-22641F
4.6.9 Gauge test (as applicable) (see 3.11).
4.6.9.1 Class 1, 4, and 5 adapters. Class 1, 4, or 5 adapters shall be rigidly mounted in a suitable jig or fixture and
the applicable mating characteristics specified in table IV shall be measured. For measurements of required forces, a
gauge containing the test pin and a suitable force indicating dial shall be aligned to within 0.004 TIR of any plane
passing through the axis of the center contact. Insertion or withdrawal of the test pin shall be made smoothly and at a
rate such that the dial does not bounce or otherwise give a false reading. The test pin may be chamfered to facilitate
entry, but the specified insertion length shall not include the chamfer length and the finish shall be 16 microinches.
TABLE IV. Mating characteristics.
Test
Class 1
Class 4
Class 5
Oversize test pin
.074 + .0001 inch diameter
.057 + .0001 inch diameter
.0375 + .0001 inch diameter
(non-closed entry contact only)
(non-closed entry contact only)
Insertion depth
.125 inch minimum
.125 inch minimum
.030/.045 inch
Number of insertions
1
1
3
Max diameter test pin
Steel test pin diameter
Steel test pin diameter
Steel test pin diameter
.066 + .0001 inch
.054 + .0001 inch
.0370 + .0001 inch
: (Insertion depth .050/.075)
Insertion force
2 pounds maximum
2 pounds maximum
3 pounds maximum
Min diameter test pin
Steel test pin diameter
Steel test pin diameter
.0355 - .0001 inch diameter
.063 - .0001 inch
.052 - .0001 inch
(Insertion depth - .050/.075)
Withdrawal force
2 ounces minimum
2 ounces minimum
1 ounce minimum
4.6.9.2 Class 2 adapters. For class 2 adapters, the gauge test shall be as follows:
(a) The .625-inch coaxial female fittings shall be equivalent to standard female coupling UG-141/U, and
shall be capable of properly mating with .625-inch coaxial male fitting that is equivalent to a standard
male coupling UG-140/U.
(b) The .625-inch coaxial male fittings shall be equivalent to standard male coupling UG-140/U, and shall
be capable of properly mating with a standard female coupling UG-141/U.
(c) Mating shall be considered accomplished after 25 successful insertions and withdrawals.
4.6.9.3 Class 3 adapters. For class 3 adapters, the gauge test shall be as follows:
(a) The .875-inch coaxial female fittings shall be equivalent to standard female coupling UG-46/U, and
shall be capable of properly mating with a .875-inch coaxial male fitting which is equivalent to a
standard male coupling UG-45/U.
(b) The .875-inch coaxial male fittings shall be equivalent to standard male coupling UG-45/U, and shall
be capable of properly mating with a standard female coupling UG-46/U.
(c) Mating shall be considered accomplished after 25 successful insertions and withdrawals.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order
(see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel
need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements are
maintained by the Inventory Control Point s packaging activities within the Military Service or Defense Agency, or
within the military service s system commands. Packaging data retrieval is available from the managing Military
Department s or Defense Agency s automated packaging files, CD-ROM products, or by contacting the responsible
packaging activity.
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