1、Comments, suggestions, or questions on this document should be addressed to Defense Supply Center Richmond, ATTN: DSCR-VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616, or e-mailed to STDZNMGTdla.mil. Since contact information can change, you may want to verify the currency of this address
2、 information using the ASSIST database at https:/assist.daps.dla.mil/. AMSC N/A FSC 6680 INCH-POUND MIL-DTL-10215M 21 June 2010SUPERSEDING MIL-DTL-10215L 15 August 2008 DETAIL SPECIFICATION SPEEDOMETERS, TACHOMETERS, FLEXIBLE SHAFT ASSEMBLIES, FLEXIBLE SHAFT ASSEMBLY CORES AND ADAPTERS This specific
3、ation is approved for use by all departments and agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers mechanical speedometers and tachometers, flexible shaft assemblies, flexible shaft assembly cores and adapters. 1.2 Classification. The speedometers, tachometers, sha
4、ft assemblies, cores and adapters are of the groups and classes as specified below (see 6.2). 1.2.1 Groups. The groups of speedometers, tachometers, flexible shaft assemblies, cores and adapters are as follows: Group A - Speedometer, 0-60 miles per hour (mph), fixed mounting Group B - Tachometer, fi
5、xed mounting Group F - Flexible shaft assemblies, flexible shaft assembly cores, and adapters Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-10215M 2 1.2.2 Classes. The classes of shaft assemblies (flexible, metallic or plastic), cores and a
6、dapters are as follows: Class 1 - Shaft assembly, flexible, metallic Class 4 - Core, flexible shaft assembly Class 5 - Adapter, speedometer and tachometer, 90 degree drive Class 7 - Adapter, speedometer and tachometer, straight drive Class 8 - Adapter, coupling/bulkhead, speedometer and tachometer d
7、rive Class 9 - Shaft assembly, flexible, plastic 1.3 Part or identifying number (PIN). The PIN to be used for instruments acquired to this specification is created as follows: M 10215 - X X X XX Size: (See applicable figure) Class: 1 - Shaft assembly, flexible, metallic 4 - Core, flexible shaft asse
8、mbly 5 - Adapter, speedometer and tachometer, 90 degree drive 7 - Adapter, speedometer and tachometer, straight drive 8 - Adapter, coupling/bulkhead, speedometer and tachometer drive 9 - Shaft assembly, flexible, plastic Group: A - Speedometer, 0-60 mph, fixed mounting B - Tachometer, fixed mounting
9、 F - Flexible shaft assemblies, flexible shaft assembly cores, and adapters Placeholder: 1 Specification number Denotes military specification 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4 or 5 of this standard. This section does not include
10、 documents cited in other sections of this standard 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 they must meet all specified requirements of the documents cited in sections 3, 4 or 5
11、of this specification, whether or not they are listed. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-10215M 3 2.2 Government documents. 2.2.1 Specifications and standards. The following specifications and standards form a part of this docum
12、ent to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. FEDERAL SPECIFICATIONS L-P-380 - Plastic Molding Material Methacrylate FEDERAL STANDARDS FED-STD-595 - Colors Used in Government Procurement (Color chip 3787
13、5) DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-W-80 - Window, Observation, Acrylic Base, Antielectrostatic, Transparent (for Indicating Instrument) DOD-P-15328 - Primer (Wash), Pretreatment (Formula No. 117 for Metals) (Metric) MIL-PRF-22750 - Coating, Epoxy, High-Solids MIL-PRF-23827 - Grease, Aircraf
14、t and Instrument, Gear and Actuator Screw MIL-DTL-53039 - Coating, Aliphatic Polyurethane, Single Component, Chemical Agent Resistant MIL-DTL-64159 - Coating, Water Dispersible Aliphatic Polyurethane, Chemical Agent Resistant DEPARTMENT OF DEFENSE STANDARDS MIL-STD-130 - Identification Marking of U.
15、S. Military Property MIL-STD-202 - Test Method Standard - Electronic and Electrical Component Parts MIL-STD-810 - Test Method Standard - Environmental Engineering Considerations and Laboratory Tests (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from th
16、e Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other government documents and drawings. The following other government drawing, form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those c
17、ited in the solicitation or contract. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-10215M 4 DRAWING ARMY 12369000 - Chemical Agent Resistant Coatings (CARC) Paint Systems Index (Copies of the drawing are available from US Army Tank-Automot
18、ive however, the figures are not intended to limit the manufacturers design. 3.3.1 Speedometer and tachometer. The instruments shall be provided with a bezel, a means for mounting and a connector for attachment of a flexible drive shaft assembly. A case window shall be provided to facilitate illumin
19、ation of the dial from an outside source, and a means shall be provided to dehumidify trapped air after the speedometer or tachometer is sealed. The dehumidification component shall be secured so it will not become loose when the speedometer or tachometer is subjected to vibration. 3.3.1.2 Dial. 3.3
20、.1.2.1 Marking. The face of the dial shall include the markings specified in figure 8, figure 9 and table_I. The printing shall be commercial style lettering of the size specified in table I. The dial face shall have a black background with white numerals, letters, and graduations conforming to colo
21、r number 37875 of FED-STD-595. TABLE I. Dial face marking. Marking Height (inches) Height (mm) Numerals for mph scale 7/32 5.6 Graduations, major, mph scale 7/32 5.6 Graduations, minor, mph scale 1/8 3.2 “Miles per hour“ or “MPH“ 1/8 3.2 “Revolutions per minute“ or “RPM“ 1/8 3.2 “Hours“ and “10th“ o
22、r “100th“ 3/32 2.4 “Miles“ and “10th“ 3/32 2.4 MS or military part number 3/32 2.4 Manufacturers identification 1/16 (max.) 1.6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-10215M 6 3.3.1.2.2 Fastening. The dial shall be secured to the bod
23、y of the speedometer or tachometer in such a position that the marking on the face of the dial and the numerals on the odometer or engine hour meter shall be legible when illuminated through the case window from an outside source. 3.3.1.3 Pointer. The pointer shall be attached to the indicator movem
24、ent and shall be damped to reduce oscillation from vibration. The pointer shall not touch the dial or window. The shape of the pointer shall facilitate reading of any point in the range of the dial. Not less than the top half of the visible portion of the pointer shall be white conforming to color n
25、umber 37875 of FED-STD-595. Damping of oscillation shall be in accordance with Table II. 3.3.1.4 Recording devices. 3.3.1.4.1 Odometer. The instrument, when furnished for use with a speedometer, shall be of the nonreset-type, consisting of six numeral wheels located in the dial as shown in figure 8.
26、 The odometer shall totalize and record actual mileage up to 99,999.9 in multiples of 0.1 mile before automatically turning to zero. Accuracy shall be in accordance with Table II. 3.3.1.4.2 Engine hour meter. The engine hour meter shall accurately record hours of engine operation. It shall totalize
27、and record up to 9,999.9 hours in multiples of 0.1 hour or up to 9,999.99 hours in multiples of 0.01 hour before automatically turning to zero. Accuracy shall be in accordance with Table II. 3.3.2 Drive mechanism. 3.3.2.1 Flexible shaft assembly. A flexible shaft assembly shall drive speedometers an
28、d tachometers with adapters as required. The assembly shall consist of a flexible outer casing and a flexible inner core. The outer casing shall be equipped with reusable means for attaching the assembly to both the instrument and the take-off point. The configuration shall fall within the envelope
29、limits indicated in figure 1, figure 2 or figure 3, as applicable. End connections affecting interchangeability shall conform to the interface requirements in figure 1, figure 2 and figure 3. A means shall be provided in the assembly to prevent the core from falling out. 3.3.2.1.1 Core. The flexible
30、 shaft assembly core shall conform to figure 4. The outer layer of core wires shall be wound in the direction of right hand lay. 3.3.2.2 Adapters. Adapters shall conform to figure 5 (figure 5 cont.), figure 6 or figure 7, as applicable. 3.4 Performance. Table II applies. Verification of the parts un
31、der consideration will be accomplished under the laboratory conditions in 4.2.1 and tested as specified in 4.5.2. All of the components described by this specification shall meet the minimum requirements of Table II after being tested under a variety of operational conditions to include: a) resistan
32、ce to wear, b) verification of operating torque for shaft assemblies and adapters to include flexibility, torsional and tensile strength and c) resistance to potentially damaging environmentally induced conditions to include lubrication leakage, vibration resistance, shock resistance, water submersi
33、on, corrosive conditions, fungus contamination and ozone exposure (see Table III). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-10215M 7 3.4.1 Speedometer. When tested as specified in 4.5.2.1, the speedometer shall accurately indicate the
34、vehicle speed when the drive shaft is rotated at the specified speeds. 3.4.2 Tachometer. When tested as specified in 4.5.2.2, the tachometer pointers shall accurately indicate a rotating speed on the dial twice that of the drive shaft speed. 3.4.3 Odometer. When tested as specified in 4.5.2.3, the o
35、dometer-indicated mileage shall be compared with the actual mileage. 3.4.4 Engine hour meter. When tested as specified in 4.5.2.4, engine operation shall be recorded in hours by the engine hour meter on the tachometer. 3.4.5 Flexible shaft assembly, core assembly and adapter. When tested as specifie
36、d in 4.5.2.5, the speedometers pointer shall be observed. 3.5 Painting. Unless otherwise specified (see 6.2), cleaning, pretreatment, priming and painting shall conform to the appropriate CARC paint system selected from U.S. Army drawing number 12369000. When instrument bezels made of stainless stee
37、l are used, they shall be passivated in accordance with ASTM A380, primer washed in accordance with DOD-P-15328 or when not permitted by contract, a hexavalent chromium free equivalent, and finish painted in accordance with MIL-DTL-64159 or MIL-DTL-53039, color Green 383, to a dry film thickness of
38、1.8 to 3.2 mils. When speedometers and tachometers (figure 8 and figure 9) are used in the interior of a vehicle or system, they shall be finish painted with an epoxy topcoat in accordance with MIL-PRF-22750, colors Green 34094 or 34095, to a dry film thickness of 1.3 to 1.7 mils. 3.6 Identification
39、 and marking. Unless otherwise specified (see 6.2), identification and marking of the items shall be in accordance with MIL-STD-130. As a minimum, it shall consist of the manufacturers CAGE code and the applicable military part number. All markings shall be permanently and legibly printed or stamped
40、 on the dial of the speedometers and tachometers, on the casings of the flexible shaft assemblies and on the housing of the adapters. The drive ratio and date of manufacture shall also be marked on the housing of all adapters, and the flexible shaft assembly cores shall be tagged. 3.7 Workmanship. C
41、omponents shall be free of defects such as rust, burrs and sharp edges that may result in injury of personnel (see 4.5.1). All solder cleaning agents and flux shall be non-corrosive. All traces of flux shall be removed from soldering. Provided by IHSNot for ResaleNo reproduction or networking permit
42、ted without license from IHS-,-,-MIL-DTL-10215M 8 TABLE II. Performance requirements. Part Requirements Verification Speedometer Drive shaft speed Observed readings at = 77 F 160 F 4.5.2.1 3.4.1 (rpm) (mph) 167 10 +1 to -1 +4 to -4 500 30 +2 to -1 +5 to -4 1,000 60 +3 to -0 +6 to -3 Pointers shall l
43、eave the stop at or before the drive shaft reaches a speed that equates to 3 mph Pointers shall be damped to prevent an oscillation of more than 0.5 mph above 10 mph when operated directly off a drive shaft with no fluctuation in speed Tachometer Drive shaft speed Observed readings at = 77 F 160 F 4
44、.5.2.2 3.4.2 (rpm) (rpm) 250 500 60 110 1000 2000 60 110 1500 3000 60 110 Pointers shall leave the stop at or before the drive shaft reaches a speed that equates to 100 rpm Pointers shall be damped to prevent an oscillation of more than 30 rpm above 500 rpm when operated directly off a drive shaft w
45、ith no fluctuation in speed Odometer Readings shall be accurate within 1% of actual mileage 4.5.2.3 3.4.3 Engine Hour Meter Readings shall be accurate within 2% of actual elapsed time 4.5.2.4 3.4.4 Flexible shaft assembly, core assembly and adapter 10 minutes of operation at 35 mph during which time
46、 the speedometers pointer shall not exceed 2 mph in oscillation 4.5.2.5 3.4.5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-10215M 9 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classif
47、ied as follows: a. Qualification inspections (see 4.3). b. Conformance inspections (also known as Acceptance inspections) (see 4.4). 4.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be conducted under the following conditions. 4.2.1 Conditions. Tests shall be co
48、nducted under general laboratory conditions acceptable to the Federal Government. 4.2.1.1 Temperatures. Unless otherwise specified herein, tests and temperature tolerances shall be conducted at an ambient temperature of 77 F 18 F (25 C 10 C), hereafter referred to as simply 77 oF. If specified, some
49、 high temperature tests will be conducted at 160 F 5 F (71 C 3 C), hereafter referred to as simply 160 oF while low temperature tests, if specified, will be conducted at -65 F 5 F (-54 C 3 C), hereafter referred to as simply -65 F. Unless otherwise specified herein, the test specimen shall be thermally stabilized for 1 hour prior to b
