1、MIL-R-L553B Lb m 9999906 1210928 39T m I INCH-POUND I MI L-R-81553uAS) 17 September 1992 SUP ERS ED I NG MIL-R-81553A(AS) 30 August 1983 MILITARY SPECIFICATION REGULATOR, CHEST MOUNTED, OXYGEN, POSITIVE PRESSURE, CRU-79/P This specification is approved for use by the Naval Air Systems Command, Depar
2、tment of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers oxygen (94 percent and above), positive pressure, chest mounted regulator, type CRU-791P. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Sp
3、ecifications, standards and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and
4、Standards (DODISSI and supplement thereto, cited in the solicitation (see 6.2). SPEC1 F ICATIONS FEDERAL BB-N-411 - Ni trogen, Techni cal PPP-B-591 - Boxes, Shipping, Fiberboard, Wood-Cleated PPP-6-601 - Boxes, Wood, Cleated-Plywood PPP-6-621 - Box, Wood, Nailed and Lock Corner PPP-B-636 - Boxes, Sh
5、ipping, Fi berboard PPP-B-640 - Boxes, Fiberboard, Corrugated, Triple Wall PPP-T-60 - Tape, Packagi ng, Waterproof Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commanding Officer, Naval Air W
6、arfare Center Aircraft Division Lakehurst, Code SR3, Lakehurst, NJ 08733-5100, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 1660 DISTRIBUTION STATEMENT A. Approved for public release; distrib
7、ution is unlimited. I Licensed by Information Handling ServicesMILITARY MIL-P-116 - MIL-C-5541 - MIL-P-7105 - MIL-A-8625 - MIL-6-22191 - MIL-0-27210 - STANDARDS FEDERAL FED-STD-595 - MI LI TARY MI L-STD- 1 O5 - MIL-STD-129 - MI L-STD- 1 30 - MIL-STO-889 - MIL-STD-970 - - MIL-STD-1359 - MS33658 - HA
8、ND BOOKS MI LI TARY MIL-HDBK-695 - Preservation, Meth ds of Chemical Conversion Coatings on Alumindm and Al umi num Al 1 oys Pipe Threads, Taper, Aeronautical National Form, Symbol ANPT, General Requirements for Anodi c Coati ngs , for Al umi num and Aluminum Alloys Barrier Material, Transparent, Fl
9、exible, Heat Seal ab1 e Oxygen, Aviators Breathing, Liquid and Gas Colors Used in Government Procurement Sampl i ng Procedures by Attributes Marki ng for Shi pmen Ident if i cat i on Mark Property Dissimilar Metals and Tables fo and Storage ng of U.S. Mi I n s pric t i on tary Standards and Specif i
10、 cations, Order of Precedence for the Selection of Cleaning Methods and Procedures for Breathing Oxygen Equipment Fitting End, Hose Connections, Standard Dimensions for I Rubber Products: Recommended Shelf Life (Unless otherwise indicated, copies of federal and military speclfications, standards and
11、 handbooks are avai 1 able from the Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issdes are those c
12、ited in the solicitation. 2.1.2 Other Government documents, drawinqs, and publications. Tite following 2 Licensed by Information Handling ServicesMIL-R-BL553B Lb I 99999Ob L2L0930 T48 MIL-R-81553B(AS) DRAW1 NGS Naval Air Systems Command 3x1 178 62A- 1 1 6-C48 62A-116-C49 62A-116-C50 62A-116-CSl 834-
13、18 62A-116-El 1172AS100 1316AS100 1 964AS1 O0 2004AS 1 O0 Hose Assembly, Oxygen, Disconnect to Chest Mounted Regulator Piezometer Tube Piezometer Ri ng Piezometer Un ion Piezometer Tube, Delivery MBU-l2/P Oxygen Components Test Stand Oxygen Components Test Stand Oxygen Components Test Stand Hose Ass
14、embly, Oxygen, Seat Kit to Pilot and Ships Supply, FIA-18 Manifold Body, Oxygen, Seat Survival Ki t, SKU-2/A (Copies of drawings required by manufacturers in connection with specification acquisistion functions should be obtained from the Contracting Activity or as directed by the contracting office
15、r.) DEFENSE STANDARDIZATION MANUAL SD-6 - Provisions Governing Qualification (QPL) (Unless otherwise indicated, copies of Defense standardization manuals are available from the Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.2 Non-Government public
16、ations. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not li
17、sted in the DODISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING MATERIALS (ASTM) ASTM D 1149-91 Rubber Deterioration - Surface Ozone Cracking in a Chamber (Flat Specimen) (Application for copies should be addressed to: Materials, 1916 Race St., Ph
18、iladelphia, PA 19103). American Society for Testi (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of prec
19、edence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3 Licensed by
20、Information Handling ServicesMIL-R-BL553B Lb I 9997906 L21093L 984 D MIL-R-81553B(AS) 3. REQUIREMENTS 3.1 Qualification. The regulators furnished under this specification sha 1 be products which are authorized by the qualifying activity for listipg on the applicable Qualified Products List at the ti
21、me of award of contract (see 4.3 and 6.3). 3.2 First article. When specified (see 6.2.1, a sample shall be subjected to first article inspection (see 6.4) in accordance with 4.4. 3.3 Selection of specifications and standards. Specifications and standards for necessary commodities and services not sp
22、ecified herein shall be selected in accordance with MIL-STD-970. 3.4 Materials. Materials shall conform to applicable specifiaations and shall be as specified herein and on applicable drawings. Materials which are not covered by specifications, OP which are not specifically described herein, shall b
23、e of the best quality, of the lightest practicable weight,. and suitable for the purpose intended. Materials that produce toxic or corrosive substances shall not be used. 3.4.1 Metal parts. All metal parts shall be of a corrosion resistant material r them adequately resistant to corrosion. or treate
24、d in a manner to rend 3.4.1.1 Dissimilar metals dissimilar metals shall not be Dissimilar metals are defined Unless protected against electrolytic corrosion, used in intimate contact with each other. n MIL-STD-889. 3.4.1.2 Finish. Aluminum and aluminum alloy parts shall be protected in accordance wi
25、th MIL-A-8625 or MIL-C-5541. 3.4.2 Nonmetallic materials. Any nonmetallic material that is adversely affected by continued use with oxygen shall not be used. 3.4.2.1 however, authorization for qualification of products may be obtained from the Commander, Naval Air Warfare Center Aircraft Division Wa
26、rminster, (Code 6031, Warminster, PA 18974-5000. . The attention of the 6.3.1 Drawinqs. When requested, the manufacturer shall submit engineering 6.4 First article. When a first article inspection is required, the item will drawings and inspection reports in accordance with SD-6 (see 4.3.1). be test
27、ed and should be a first article sample. include specific instructions in acquisition documents regarding arrangements for examinations, test and approval of the first article. name of the quality conformance verification inspection laboratory and the Government activity responsible for conducting t
28、he inspection program at the time of award. The costs of the tests and examinations on samples initially submitted from a lot, as required by 4.6, shall be borne by the Government whether the test and examinations are conducted-by a Government laboratory or by a laboratory selected by the cognizant
29、Government activity. Samples from a rejected lot shall The contracting officer should 6.5 Laboratory information. The successful bidder will be furnished with the 16 Licensed by Information Handling ServicesMIL-R-L553B Lb = 9999906 12109YY 532 = not be resubmitted for tests and examinations, as requ
30、ired by 4.6, without the approval of the contracting officer. The costs of the tests and examinations on samples resubmitted from a reworked lot or from a new lot whtch is necessitated by the rejection of a previous lot shall be borne by the contractor whether the tests and examinations are conducte
31、d by a Government laboratory or by a laboratory selected by the cognizant Government activity. revision to identify changes with respect to the previous issue due to the extensiveness of the changes. 6.6 Chanqes from previous issue. Marginal notations are not used in this 6.7 Subject term (keyword)
32、listinqs. Al ti tude operation Breath1 ng gas Oxygen system Pressure breathing Sea level operation Prepari ng acti vi ty: Navy - AS (Project No. 1660-N626) 17 I Licensed by Information Handling ServicesAl ti tude (feet) Ground 1 eve1 10,000 30,000 34,000 40,000 45,000 50,000 TABLE I. Outlet vessures
33、 (steady state) (see 4.8.2). Inlet supply Outlet pressure Outlet pressure Outlet pressure (psig) (in. H20) (in. H20) (in. H20) pressure 0.0 lpm flow 50.0 lpm flow 100.0 lpm flow 40, 80, 120 0.5 to 2.5 0.5 to 2.5 40, 80, 120 0.5 to 2.5 0.5 to 2.5 40, 80, 120 0.5 to 2.5 0.5 to 2.5 40, 80, 120 1.0 to 3
34、.7 1.0 to 3.7 40, 80, 120 8.0 to 10.5 8.0 to 10.5 1.0 to 2.5 1.0 to 2.5 1.0 to 2.5 1.0 to 3.7 8.0 to 10.5 40, 80, 120 13.0 to 16.0 13.0 to 16.0 13.0 to 16.0 40, 80, 120 16.0 to 20.0 16.0 to 20.0 16.0 to 20.0 TABLE II. Outlet pressures (dynamic) (see 4.8.3) 1. Tidal Inlet Flow Rate Cycling Rate 3/ Ox
35、ygen Regulator Volume (L) Pressure (Liters/Min, NTP 21) CycleslMinute (Inch/H20) Aver age Peak 2 .o 40 15.9 50 8.0 0.5 to + 2.5 2.0 40 31.8 1 O0 15.9 1.0 to + 2.5 2 .o 50 47.8 150 23.9 1.0 to + 3.0 2 .O 60 57.3 180 28.7 1.5 to 5.0 2 .o 70 63.7. 200 31.8 2.0 to 6.0 - 11 This test shall be run for a p
36、eriod of 10 minutes at each inlet pressure. - 21 70F, 14.7 psia - 31 A complete cycle includes the flow period during breathing simulator inhalation and the no flow period during breathing simulator exhalation. 18 Licensed by Information Handling ServicesMIL-R-1553B 1b H 99999Ob 121094b 305 TABLE II
37、I. Endurance (see 4.8.10) 11. Flow Rate Number of Cycles (Li ters/Min, NTP 21) Cycl i ng Rate 3/ Average Peak Cy c 1 e s /M i n 25,000 57.3 180 28.7 50 * O00 15.9 50 8.0 175,000 31.8 1 O0 15.9 - 1/ This test shall be run for a total of 250,000 cycles. - 21 70F, 14.7 psia - 3/ A complete cycle includ
38、es the flow period during breathing simulator inhalation and the no flow period during breathing si mu1 ator exhal at ion. TABLE IV. Noise level (see 4.8.4). 113 Octave Band Center Frequency 31 5 400 500 630 800 1 O00 1250 1600 2000 2 500 3150 4000 5000 6300 dB (Referred To) 0.0002 dyne/2 95 rnax 95
39、 max 95 max 95 max 95 max 95 max 95 max 95 max 95 max 95 max 95 rnax 95 max 95 max 95 max 19 Licensed by Information Handling ServicesTABLE V. Qualification insDection (see 4.3). Inspect i on Visual examination Over 1 oad Leakage Outlet pressures (steady state Outlet pressures (dynamic) Noise level
40、control High temperature Low temper at ur e Vi bration Accel erat i on Endurance Al titude cycl ing Shock Repeat of noise level control Underwater breathing capabi 1 i ties Ozone resi stance (elastomer components) Requi remei Paragraph 3.7.4 3.7.5 3.7.1 3.7.2 3.7.3 3.7.6.1 3.7.6.2 3.7.7 3.7.8 3.7.9
41、3.7.10 3.7.11 3.7.12 3.7.13 3.7.14 Paragraph Test Metho 4.8.1 4.8.5 4.8.6 4.8.2 4.8.3 4.8.4 4.8.7.1 4.8.7.2 4.8.8 4.8.9 4.8.10 4.8.11 4.8.12 4.8.13 4.8.14 4.8.15 Samp 1 e Number Every Regulator Every Regu 1 ator Every Regulator Every Regulator Every Regulator Every Regulator 1.2 192 3.4 3,4 1 394 3.
42、4 Every Regulator 2 20 Licensed by Information Handling ServicesMI L- R-8 1 553B( AS 1 In spec t i on Vi sual exami nation Over 1 oad Leakage Outlet pressures (steady state) Leakage Altitude cycling Noise level control Outlet pressures (dynamic) Ozone resistance (elastomer components) Requirement Te
43、st Method Paragraph Paragraph - 4.8.1 3.7.4 4.8.5 3.7.5 4.8.6 3.7.1 4.8.2 3.7.5 4.8.6 3.7.10 4.8.11 3.7.3 4.8.4 3.7.2 4.8.3 3.7.14 4.8.15 TABLE VII. Criteria for quality conformance inspection (see 4.5.). Inspec- tion I/ Vi sual Over load Leakage Outlet Pres sures (Steady State) Noi se level control
44、 Packaging -erne n t Para. - 3.7.4 3.7.5 3.7.1 3.7.3 - - I/ The results 1 Test Met hod Para. 4.8.1.1 4.8.5 4.8.6 4.8.2 4.8.4 4.8.1 .2 Samp 1 e Size Every regulator for cri tical defects. Inspection Level II for minor defects Every regul ator Every regulator Every regulator Every regul ator Inspectio
45、n level 5-2 all inspections shall be ic Acceptance Criteria 2/ Reject all units with any critical defects. An AQL of 2.5 defects per 100 units for minor defects. Reject all defective units. Reject all defective units. Reject all defective units. Reject all defective units. An acceptable qual i ty le
46、vel of 4.0 defects per hundred uni t s. Zntifiable by the assigned - serial numbers (see 3.12.1). The sample size and acceptance criteria shall be in accordance with - 21 MIL-STD-105. 21 I Licensed by Information Handling ServicesMIL-R-BL553B 1b m 9999906 1210949 014 W MIL-R-81 S53B(AS) TABLE IX. Cl
47、assification of defects for visual examination of the regulator (see 4.8.1.1). CRI TI CAL 1. Material imperfections - foreign matter embedded. 2. Surface - unclean, rough, misaligned, or containing cracks, nicks, or other f 3. Any component missing, ma aws. formed, fractured, or otherwise damaged. 4
48、. Gaps between surfaces that should be sealed. 5. Any component loose or otherwise not securely retained. 6. Gasket or seal improperly positioned or unevenly compressed. 7. Incorrect assembling or improper pos i ti oni ng of component s. 8. Any functioning part that works with difficulty. 9. faulty
49、workmanship or other IO. Evidence of adhesives other than irregularities. to secure labels. 22 Licensed by Information Handling ServicesMIL-R-81553B 16 9999906 12L0950 36 MIL-R-81553B(AS) TABLE IX. Classification of defects for visual examination of the requlator (see 4.8.1.1). (Continued) I CRI TI CAL 11. Marking - missing, insufficient, incorrect, illegible, or not permanent. 1 ubr i cant s. Missing inlet/outlet caps or plugs 12. Evidence of excessive use of 13. MI NOR 1. Color not as specified. I TABLE X. List of defects for packaginq (see 4.8.1.2). I tem Exterior and
