MIL-DTL-25677E
6.1 Intended use. These items are used in ground servicing of aircraft turbine engine lubricating oil
systems. The adapter provides a connection for ground servicing equipment, using pressure synthetic
lubricating and preservative oil. The nozzle is coupled to the adapter during servicing. The pressure cap
acts as a secondary pressure seal and protects against foreign matter entering the adapter when not
undergoing servicing. These military unique parts are critical to the servicing of aircraft turbine engines.
The adapter is an integral part of the engine and must withstand a 2000°F (1093.33°C) fire proof
requirement. The qualification process ensures these adapters meet this fire proof and operational
requirements. The adapter, nozzle, pressure cap and dust cap have to withstand temperature changes
from -65°F to + 250°F (-54 to +121°C). Commercial adapters, nozzles, and caps are not designed to
withstand these extreme conditions or sudden environmental changes, and would experience
catastrophic failure.
6.2 Acquisition requirements. Acquisition documents should specify the following:
a. Title, number, and date of this specification.
b. Title, number, and date of the applicable specification sheet and the complete PIN (see 1.2).
c. Level of preservation, packaging, and marking required (see 5).
6.3 Qualification. With respect to products requiring qualification, awards will be made only for
products which are, at the time of award of contract, qualified for inclusion in Qualified Products List QPL
No.25677 whether or not such products have actually been so listed by that date. The attention of the
contractors is called to these requirements, and manufacturers are urged to arrange to have the products
that they propose to offer to the Federal Government tested for qualification in order that they may be
eligible to be awarded contracts or orders for the products covered by this specification. Information
pertaining to qualification of products may be obtained from Defense Supply Center Columbus, P.O. Box
3990, ATTN: DSCC-VQ, Columbus, Ohio 43218-3990 or emailed to vqp.chief@dla.mil.
6.3.1 Provisions Governing Qualification. Application procedures should be in accordance with the
"Provisions Governing Qualification" (SD-6). Copies of "Provisions Governing Qualification" are available
online at https://assist.daps.dla.mil or from the Standardization Document Order Desk, 700 Robbins
Avenue, Building 4D, Philadelphia, PA 19111-5094.
6.4 Supersession data. The former military standard (MS) document numbers cross referenced to
MIL-DTL-25677 specification sheet numbers are as follows:
MIL-DTL-25677/1
-
MS24476
MIL-DTL-25677/2
-
MS24480
MIL-DTL-25677/3
-
MS24475
Note: The military standard (MS) PIN's have been retained in the specification sheets.
6.5 References to superseded specifications. All the requirements of MIL-DTL-25677D are
interchangeable with those of MIL-N-25677C and MIL-PRF-25676E, therefore, previously existing
documents (OEM drawings, etc.) referencing MIL-N-25677C and MIL-PRF-25676E need not be changed.
6.6 International standardization. This specification implements AIR STD 25/1B(2) "PRESSURE
REPLENISHMENT CONNECTIONS FOR ENGINE LUBRICATING OIL" and STANAG 3595 ED.4(2),
"AIRCRAFT FITTING FOR PRESSURE REPLENISHMENT OF GAS TURBINE ENGINES WITH OI8L".
When amendment, revision, or cancellation of this specification is proposed, the preparing activity must
coordinate the action with the U.S. National Point of Contact for the international standardization
agreement, as identified in the ASSIST data base at https://asssist.daps.dla.mil.
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