MIL-B-21518A (Wep)
Gages - The contractor shall provide himself
3.2.6
with whatever gages are necessary and adequate to insure
that the material to which this specification applies will
meet the dimensional requirements shown on the applicable
If so stipulated in the contract, the Government
drawings.
will furnish drawings of pertinent Naval Final Inspection
Gages for guidance in the design of the contractors inspec-
tion gages. However, such procedure shall not relieve the
contractor of his responsibility in the design and manufac-
ture of such gages as may be required for the satisfactory
fulfillment of the contract requirements but is intended to
facilitate acceptance of all components and assemblies by
Navy Final Inspection Gages.
Threads - Unless otherwise specified, all
3.2.7
threads shall be in accordance with the National Bureau of
Standards Handbook H28. The class or fit for threads shall
be as specified on the applicable drawings.
3.2.8
Requests for Deviation - Requests for devia-
tion from this specification or any specifications, publi-
cations, materials, and processes specified herein, shall
be as set forth in OP 400.
Conflicting Requirements - In the event of con-
3.2.9
flict between this specification and any specification, pub-
lication, or drawing referenced herein, this specification
shall govern.
Tolerances - Unless otherwise specifically
3.2.10
noted, tolerances and accuracies stated herein are absolute.
Performance Requirements and Product
3.3
Characteristics
3.3.1
Hydrostatic Pressure - The flexible-bellows
assembly shall withstand an internal hydrostatic pressure
increased from 0 to 195-205 psig within 5 seconds, main-
tained for 10 minutes without leakage or damage, and there-
after shall meet all performance requirements and product
characteristics of this specification. To satisfy this
requirement, each flexible-bellows assembly shall be tested
as specified in 4.5.4.2, and the preproduction sample shall
be tested. as specified in 4.6.1.
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