1、 METRIC MIL-PRF-24623/6A 16 January 2009 SUPERSEDING MIL-PRF-24623/6 28 June 2007 PERFORMANCE SPECIFICATION SHEET SPLICE, FUSION, FIBER OPTIC, PROTECTOR This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product des
2、cribed herein shall consist of this specification sheet and MIL-PRF-24623. SCOPE: The performance requirements specified herein cover fusion splice protectors suitable for military use with multi-mode or single-mode optical fibers. Fusion splice protector Strength member Dimensions 2/Maximum Minimum
3、 Designator Description mm inches mm inches A 3/Optical fiber splice length 24 0.945 - - B Strength member length 39.9 1.571 39.3 1.547 C Fusion splice protector length 40.5 1.594 39.5 1.555 NOTES: 1/ Applicable fiber types include M49291/6 and M49291/7. 2/ Inch equivalents may contain rounding erro
4、rs and are given for reference purposes only. 3/ Minimum optical fiber splice length is preferred. 4/ Strength member must be burr free. Slight radius on end of strength member is preferred. FIGURE 1. Fusion splice protector. see note 1 see note 1 Fusion splice ABCAMSC N/A FSC 6060 Provided by IHSNo
5、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-24623/6A Part or identifying number (PIN): See sample below and table I. M 24623 / 6 X Military designator Basic specification Specification sheet PIN code (see table I) TABLE I. PIN numbers. PIN code Descriptio
6、n Dimensions mm (inches) Figure 1 Fusion splice protector Length: 40 (1.575) OD: 2.90 (0.114) 1 REQUIREMENTS: Design and construction: The fusion splice protector shall be of the construction, weight, and physical dimensions specified herein (see figure 1). Strength member: The strength member shall
7、 be as specified herein (see figure 1). Fiber splice protector: The fiber splice protector shall restore the environmental and mechanical integrity of the coating or buffer of the optical fiber with no impact to optical performance. Protection device Installed outer diameter: Maximum: 3.10 millimete
8、rs (0.122 inches), Minimum: 2.70 millimeters (0.106 inches) Installed length (figure 1, designator C): Maximum: 40.5 millimeters (1.594 inches), Minimum: 38.7 millimeters (1.524 inches) Tooling: The tooling used to manufacture splices to this specification shall meet the requirements of A-A-59799 fo
9、r optical fiber fusion splicer and cleaver. Size: The dimensions of the splice parts shall be as shown on figure 1 and specified herein. Weight: The weight of the splice parts shall be 0.850 grams (0.03 ounces) maximum. Color: Splice protection devices requiring a heat shrink process shall allow for
10、 visual inspection of defects that may have occurred during the shrinking process. Identification marking: Applicable. JAN and J marking: Not applicable. Cable seal flexing: Not applicable. Twist: Not applicable. Axial compressive loading: Not applicable. Crush: Not applicable. 2 Provided by IHSNot
11、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-24623/6A Vibration: Applicable with the following modification. Completed fusion splices, with fusion splice protectors installed, shall be vibration tested when installed in tray and tray holders qualified to MIL
12、-DTL-24728/8 and shall be tested in accordance with test condition II and test condition VII (test condition letter C) of TIA/EIA-455-11. The test duration for test condition VII shall be 30 minutes for each axis. The frequency range of test for test condition II shall be extended to a low frequency
13、 of 4 hertz. Mechanical shock: Applicable with the following modification. Completed fusion splices, with fusion splice protectors installed, shall be shock tested when installed in tray and tray holders qualified to MIL-DTL-24728/8. Dynamic strength: The dynamic strength of the splice, with the fus
14、ion splice protector installed, shall be tested in accordance with TIA-455-28 by applying an axial tensile load (see table II) between the two fused fibers until failure. The change in optical transmittance shall be monitored during the dynamic strength test. The load at optical failure shall not be
15、 less than 8.9 N (2.0 pounds). TABLE II. Dynamic strength test load. Configuration Figure Force (N/lb) Protected 1 8.9/2.0 Fiber pull out force: Not applicable. Cable pull out force: Not applicable. Insertion loss: Applicable with the following modification. The insertion loss for splices shall not
16、exceed 0.2 decibels. The insertion loss shall not exceed 0.5 decibels at any time during any testing of the splice. Return loss: Applicable with the following modification. Return loss shall be greater than or equal to 58 decibels for single-mode. Crosstalk: Not applicable. Environmental: Operating
17、temperature: -28 C to +65 C (-18.4 F to +149 F) Non-operating temperature: -40 C to +70 C (-40 F to +158 F) Storage temperature: -40 C to +70 C (-40 F to +158 F) Thermal shock: Applicable with the following modification. The storage temperature range shall be as specified herein. Temperature/humidit
18、y cycling: Applicable with the following modification. During and after the temperature/humidity cycling test, the splice shall meet the requirements of the change in optical transmittance. A post test visual examination of the test specimens shall reveal no leakage of waterproofing compounds or oth
19、er apparent loss of sealing capability, no surface or identification marking impairment, nor any damage detrimental to the operation of the test specimens. The operating temperature range shall be used as specified herein. Water pressure: Not applicable. Freezing water immersion: Not applicable. Nuc
20、lear radiation resistance: Not applicable. Fluid immersion: Not applicable. Flammability: Not applicable. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-24623/6A Temperature cycling: Splices shall be tested in accordance with EIA/TIA-455-3
21、 using the test condition schedule and soak times in accordance with table III. The change in optical transmittance shall be measured during and after the test. A post test visual examination of the test specimens shall reveal no leakage of waterproofing compounds or other apparent loss of sealing c
22、apability, no surface or identification marking impairment, nor any damage detrimental to the operation of the test specimens. The operating temperature range shall be as specified herein. TABLE III. Temperature cycling steps. Step Action Temperature C (F) Duration (hours) 1 Maintain Room ambient 4
23、minimum 2 Ramp to Low operating temp +0/-3 (+0/-5) 2 3 Maintain Low operating temp +0/-3 (+0/-5) 2 minimum 4 Ramp to 252 (774) 2 5 Maintain 252 (774) 2 minimum 6 Ramp to High operating temp +3/-0 (+5/-0) 1 7 Maintain High operating temp +3/-0 (+5/-0) 2 minimum 8 Ramp to 252 (774) 1 9 Maintain 252 (7
24、74) 2 minimum 10 Repeat steps 2 through 9, four additional times, for a total of five (5) cycles. Life aging: Applicable with the following modification. The splice shall meet the requirements of the dynamic strength test, specified herein, after the test. VERIFICATION PROGRAM: The verification syst
25、em procedures, planning and all other documentation and data that comprise the verification system must be available to the Government for review. The Government may perform any necessary inspections, verifications and evaluations to ascertain conformance to the requirements and adequacy of the impl
26、ementing procedures. 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. 24623 whether or not such products have actually been solicited by that
27、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 purchase orders for the prod
28、ucts covered by this specification. Information pertaining to qualification of products may be obtained from the Defense Supply Center Columbus, DSCC-VQ, 3990 East Broad Street, Columbus, OH 43218-3990, or by e-mail to vqp.chiefdla.mil. An online listing of products qualified to this specification m
29、ay be found in the Qualified Products Database (QPD) at http:/assist.daps.dla.mil. Re-qualification period: As long as the material supplied is identical in every respect to the qualification sample tested and found satisfactory, then the period for re-qualification is to be every 10 years. Intended
30、 use: The splice and fusion splice protector are intended for use in all applications inside protective enclosures utilizing splice trays and splice tray holders in accordance with MIL-DTL-24728/8. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI
31、L-PRF-24623/6A 5 Referenced documents: In addition to MIL-PRF-24623, this specification sheet references the following documents: A-A-59799 MIL-DTL-24728/8 EIA/TIA-455-3 TIA/EIA-455-11 TIA-455-28 Changes from previous issue: Marginal notations are not used in this revision to identify changes with r
32、espect to the previous issue due to the extent of the changes. Custodians: Preparing Activity: Army CR Navy SH Navy SH (Project 6060-2008-001) Air Force 85 DLA CC Agent: NASA NA DLA CC Review Activities: Army AR, MI Navy AS, CG, EC, MC Air Force 19, 93, 99 NOTE: The activities listed above were inte
33、rested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
