1、Comments, suggestions, or questions on this document should be addressed to Commander, Naval Sea Systems Command, ATTN: SEA 05S, 1333 Isaac Hull Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or emailed to CommandStandardsnavy.mil, with the subject line “Document Comment”. Since contact i
2、nformation can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.dla.mil. AMSC N/A FSC 6680 INCH-POUND MIL-DTL-16356E 02 July 2013 SUPERSEDING MIL-G-16356D 18 December 1987 DETAIL SPECIFICATION GAUGES, DIRECT READING, OBLONG GLA
3、SS This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers direct reading sight indicators and gauges that use oblong glass panes of the reflex or plain transparent type, including replacement glass and gasket
4、 sets. 1.2 Classification. Gauges are of the following types and classes, as specified (see 6.1 and 6.2): 1.2.1 Types. The types of gauges are as follows: Type A - For continuous vision, plain, double, flat glass. Type B - For reflex glass, pressures of 300 pounds per square inch gage (psig) and und
5、er. Type C - For non-steam tank level applications or 150 psig or less steam applications where the visible range of a single chamber design is acceptable. Gauges use plain, double flat glass as used in Type A, or reflex glass as used in Type B. Included in Type C are welding pad gauges that are des
6、igned to become an integral part of a pressure vessel or tank. 1.2.2 Classes. The classes of gauges are as follows: Class I - For designed pressure to 700 psig (600 psig nominal) using 1500 psig glass. Class II - For designed pressure to 1050 psig (900 psig nominal) using 1500 psig glass. Class IV -
7、 For designed pressure to 2550 psig (2500 psig nominal) using 1500 psig glass (intended for nominal 1200 psig service). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-16356E 2 1.3 Part or identifying number (PIN). For gauges and component ga
8、uge parts furnished under this specification, the complete gauges and replaceable component gauge parts are identified by part numbers in accordance with the following and as shown in tables I and II: M 16356 - X X X XX YY Prefix for Military Specification Specification Number Type A, B, or C (see 1
9、.2.1) Class Code (see 1.2.2): 0 = Other than Type A 1 = Class I 2 = Class II 4 = Class IV Size Code (see table IV) Part/ Assembly Code (see table I) Supplemental Codes (see table II) (multiple codes may be used) Examples: M16356-A1500 = 858-inch glass, Type A, Class I gauge, complete. M16356-C0723M4
10、 = 11-inch gaskets, Type C, special material. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-16356E 3 TABLE I. Part assembly codes. Code Item Code Item 00 Gauge, complete 52 Drain valves 11 Glasses 60 Chain sprocket 12 Mica shields 61 Sprock
11、et wheel 7 inch 21 Glass positioners 62 Sprocket wheel 8 inch 22 Spacers 63 Sprocket wheel 9 inch 23 Gaskets (for glass) 64 Sprocket wheel 10 inch 24 Cover plates 65 Sprocket wheel 11 inch 25 Gaskets, spiral wound 66 Sprocket wheel 12 inch 31 Frame body 71 Hand wheel 7 inch 32 Spring cones or bolt a
12、ssemblies with captive spring cones 72 Hand wheel 8 inch 73 Hand wheel 9 inch 41 Top connectors 74 Hand wheel 10 inch 42 Bottom connectors 75 Hand wheel 11 inch 51 Shutoff valves 76 Hand wheel 12 inch TABLE II. Supplemental part assembly codes. Code Item G1 Both pressure and cushion gasket thickness
13、 is 132 inch G2 Pressure gasket is 132 inch; Cushion gasket is 116 inch G3 Both pressure and cushion gasket thickness is 116 inch M1 Material for both gaskets conforms to MIL-DTL-24696, Type I M2 Material for pressure gasket conforms to MIL-DTL-24696, Type I; Cushion gasket to MIL-DTL-24696, Type II
14、 M3 Material for both gaskets conforms to MIL-DTL-24696, Type II M4 Special gaskets (see table V) NM Kit does not contain a mica shield HX Special cleanliness or detrimental material control requirements apply (see 3.17 and 3.18) VU Upper valve VL Lower valve RH Right hand LH Left hand Provided by I
15、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-16356E 4 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in other sections
16、of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this specification, wheth
17、er or not they are listed. 2.2 Government documents. 2.2.1 Specifications, 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 cited in the so
18、licitation or contract. FEDERAL SPECIFICATIONS FF-S-85 - Screw, Cap, Slotted and Hexagon Head FF-S-86 - Screw, Cap, Socket-Head FF-S-92 - Screw, Machine: Slotted, Cross-Recessed or Hexagon Head FF-S-200 - Setscrews: Hexagon Socket and Spline Socket, Headless FEDERAL STANDARDS FED-STD-H28 - Screw-Thr
19、ead Standards for Federal Services DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-S-901 - Shock Tests, H.I. (High-Impact); Shipboard Machinery, Equipment and System MIL-DTL-1222 - Studs, Bolts, Hex Cap Screws, and Nuts MIL-PRF-6855 - Rubber, Synthetic, Sheets, Strips, Molded or Extruded shapes, General Sp
20、ecification for MIL-DTL-16232 - Phosphate Coating, Heavy Manganese or Zinc Base MIL-R-17131 - Rods and Powders, Welding, Surfacing MIL-DTL-22050 - Gasket and Packing Material, Rubber, for Use with Polar Fluids, Steam, and Air at Moderately High Temperatures MIL-S-24093 - Steel Forgings, Carbon and A
21、lloy Heat Treated MIL-P-24503 - Packing Material, Graphitic, Corrugated Ribbon or Textured Tape and Preformed Ring MIL-P-24583 - Packing Material, Graphitic or Carbon Braided Yarn MIL-DTL-25988 - Rubber, Fluorosilicone Elastomer, Oil- and Fuel Resistant, O-Rings MIL-DTL-24696 - Gasket, Sheet, Non-As
22、bestos MIL-G-24716 - Gaskets, Metallic-flexible Graphite, Spiral Wound MIL-DTL-24777 (Classified) - Non-Metallic Materials with Special Requirements Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-16356E 5 DEPARTMENT OF DEFENSE STANDARDS MIL-
23、STD-22 - Welded Joint Design MIL-STD-167-1 - Mechanical Vibrations of Shipboards Equipment (Type I Environmental and Type II Internally Excited) MIL-STD-767 (Classified) - Control of Hardware Cleanliness MIL-STD-792 - Identification Marking Requirements for Special Purpose Components MIL-STD-2035 -
24、Nondestructive Testing Acceptance Criteria (Copies of these documents are available online at http:/quicksearch.dla.mil/ or https:/assist.dla.mil.) (Copies of MIL-DTL-24777 and MIL-STD-767 may be requested from commandstandardsnavy.mil addressed with a need-to-know.) 2.2.2 Other Government documents
25、, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. DEFENSE LOGISTICS AGENCY (DLA) DR
26、AWINGS 02131 - Bolt Assy, Gage (Copies of this document are available from DLA Fleet Support, Engineering and 180 inch-pounds for inch size and 240 inch-pounds for inch size for Class IV valves. Flange bonnet and piping gaskets within the gauge shall be spiral wound gaskets in accordance with MIL-G-
27、24716 suitable for the pressures and temperatures specified herein. Winding material shall be Class A (CRES 304) unless Class B (Inconel) is specified (see 6.2). Where carbon steel glands are used, they shall be zinc plated in accordance with ASTM B633, Type II, SC 4. Salt spray test is not required
28、. 3.10.6 Drain valves. Drain valves of the quantity and size as specified (see 6.2) shall be attached to the bottom fitting in such a manner that the gauge glass shall be drained with the shut-off valves open or closed. Valves shall be in accordance with 803-2177525 for Class 600 carbon steel and 80
29、3-5184193 for Class 1500 carbon steel. Parts for valves shall be fully interchangeable with parts shown on the drawing revision in effect at contract award. 3.10.7 Hardfaced surface inspection. Dye penetrant inspection of hardfaced surfaces shall be in accordance with T9074-AS-GIB-010/271 and the ac
30、ceptance standards of MIL-STD-2035, Class 1 weld. 3.10.8 Yoke bushing locking. A weld bead shall be applied to the top of the bonnet at assembly to act as a stop for the yoke bushing, preventing the bushing from unscrewing. 3.11 Flanges. Mounting flanges shall be in accordance with ASME B16.5. Other
31、 flanges used within the gauge assembly shall meet the requirements specified herein. 3.11.1 Flange finishes. Flanges shall be prepared for use with spiral wound gaskets. Flange finishes shall be as follows: a. Gasket contact surfaces of flanges for use with sheet gaskets, if used, shall have concen
32、tric or spiral serration of 63 to 500 Roughness Height Rating (RHR) produced by machining cuts of a minimum of 0.002 inch in depth in the minimum range of 30 serrations per inch of face width. The tips of the serrations shall not exceed 0.010 inch in width. b. Gasket contact surfaces of the flanges
33、for use with spiral wound gaskets shall have a finish with a circular lay (concentric or spiral) having a roughness not exceeding 500 RHR produced by machining cuts of 0.003 inch maximum depth with not less than 40 cuts per inch of face width. 3.12 Type A. 3.12.1 Configuration. Type A gauges shall c
34、onsist of frame body-sections, each section having a continuous vision slot viewed through single-piece glass insert sets. Color shall not be used. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-16356E 11 3.12.2 Visibility and dimensional st
35、andards. Unless otherwise specified (see 6.2), the gauges shall have a visibility of 18 inches. The gauges shall not use more than two sections for main boiler service. 3.12.3 Glass. Gauge glass shall be heat-resisting, tempered borosilicate, clearly transparent, and shall withstand the minimum test
36、 requirements specified in 4.7.7. The glass shall be suitable for service conditions of 600 F and 1500 psig when protected by a mica shield. Glass shall be plain and shall be for use with steam at 1500 psig for Type A, Class I and II, and Class IV gauges as specified in 1.2. Gauge glass shall be ind
37、elibly marked on the side with manufacturers name and “1500 HP STEAM.” 3.12.3.1 Shape and dimensions. Unless otherwise specified (see 6.2), 1500 psig glass shall be shaped as shown on figure 1 and shall be 1.313+0.035, -0.007 inches wide, 0.688+0.000, -0.004 inch thick, and of the length, L, in inch
38、es as shown in table IV. Metric measurements are for information and identification only. Both ends shall be rounded to a semicircle of a radius equal to one-half of the width. Glass shall have a bevel 116132 inch wide by 45 degrees nominal around entire perimeter of both flat faces (see figure 1).
39、To facilitate removal of the glass from its mold, a draft angle of as much as 1 degree is permitted on the sides (see end view on figure 1). In this case, dimensions shall be measured at their maximum width and length. Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
40、nse from IHS-,-,-MIL-DTL-16356E 12 FIGURE 1. Shape and bevel of glasses. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-16356E 13 TABLE IV. Sizes (length) of glasses and type I gaskets. Size (Number/Code) L +0.000 -0.031 (Inches) Metric Size
41、 L W Thick (Millimeters) 0 3 - 1 4 115 34 17 2 5 140 34 17 3 6 165 34 17 4 7 190 34 17 5 856 220 34 17 6 9 250 34 17 7 11 280 34 17 7M 11 (22-degree bevel) 280 34 17 8 1258 320 34 17 9 1338 340 34 17 10 14 370 34 17 11 15 400 34 17 3.12.3.1.1 Glass faces. The front and back faces of the glasses shal
42、l be parallel within 0.004 inch. All replacement glass supplied under this document shall have a minimum flatness tolerance of 0.002 inch for glass up to and including Size 3, 0.003 inch for glass Sizes 4 and 5, and 0.005 inch for sizes above Size 5. Glass panes meeting these requirements should be
43、acceptable for current Navy applications considered High Pressure (HP) service (see 6.1). 3.12.3.1.2 Glass uniformity. Glass shall contain no scratches or streaks, be uniform in thickness, straight on the sides, free from twist or warp, and shall be free from irregularities which would cause false i
44、ndication of water level meniscus. The glass shall contain no more than 12 air bubbles (inclusions) over all with a maximum bubble diameter of 0.031 inch, and shall contain no more than six air bubbles within the viewing range of the glass. Air bubbles shall not be located in any pattern as to cause
45、 false indication of water level. No more than three solid inclusions are permitted per pane, and they shall not be greater than 132 inch in diameter. 3.12.3.2 Thermal shock resistance. Glass shall not crack or spall when tested as specified in 4.7.7.5. 3.12.3.2.1 Fracture resistance. Glass shall be
46、 tempered so that only an interlocking type fracture shall occur when tested as specified in 4.7.7.6. 3.12.3.3 Simulative service. Glass shall be smooth and transparent and shall show no erosion of the surfaces after being subjected to the test specified in 4.7.7.9. Simulative service testing is not
47、 required for Class I glass sets using standard reinforced graphite gaskets installed in gauges with conventional flat gasket seating surfaces. Gauges using special design seating surfaces (grooved, tapered, curved, or with less than Ra = 400 finish) will require testing. When simulative service tes
48、ting is not done, the first article test of 4.7.7.7 and verification test of 4.7.7.8 shall be accomplished on samples of glass from the set. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-16356E 14 3.12.3.4 Special 22-degree bevel glass. This glass, designated Size 7M since it is only used for Size 7 glass on 18-inch visibility main boiler gauges, offers a slightly wider glass surface that has the potential to reduce gasket leakage. When specified (see 6.2), size 7M shall be furnished with a be
