1、INCH-POUND F-F-35 1F September 1, 1999 SUPERSEDING May 15,1998 F-F-35 1 E FEDERAL SPECIFICATION FILTERS AND FILTER ELEMENTS, FLUID PRESSURE: LUBRICATING OIL, BYPASS AND FULL FLOW The General Services Administration has authorized the use of this Federal Specification, by all federai agencies. 1. SCO
2、PE AND CLASSIFICATION 1.1 Scope. This specification covers oil filters and oil filter elements of bypass design; and also oil filter elements of the outside-to-inside flow-path type of full-flow design for installation on internal combustion engines to remove contaminants from lubricating oil (see 6
3、.1). 1.2 Classification. Filters and filter elements shall be of the following types, classes, and styles, as specified (see 6.2 and 6.4.9): Type 1 Class 1 Class 3 Style B Type II Class 1 Class 3 - Filter assembly, bypass design. - Light duty, regular size. - Throw-away design. - Heavy duty, senior
4、size. - Filter elements, bypass design. - Light duty, regular size - Heavy duty, senior size. Type IV - Filter elements, full-flow design. - See F-F-351/7 for discerning information. Classes 1 - 4 2. APPLICABLE DOCUMENTS 2.1 Government mblications. The following documents, of the issues in effect on
5、 date of invitation for bids or request for proposal, form a part of this specification to the extent speczied herein. Beneficial comments, recommendations, additions, deletions, cldications etc. and any other data which may improve this document should be sent by letter to: US. Army Tank-automotive
6、 and Armaments Command, A“N: AMSTA-TR-EYBLUE, Warren, MI 48397-5000. m 9999974 038347b 525 = Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-F-F-35 1F FEDERAL SPECIFICATIONS F-F-35 1/2 F-F-35 1/4 F-F-35 1/6 F-F-35 1/7 - Filter, Fluid Pressure: Oil, H
7、eavy Duty, By-pass Type, - Senior Size (Base Mounted). - Filter Element, Fluid Pressure: For Senior Size Filter. - Gaskets: Filter, Fluid Pressure. - Filter Elements, Fluid Pressure-Oil, Full Flow. FEDERAL STANDARDS FED-STD-H28 - Screw-Thread Standards for Federal Services. (Activities outside the F
8、ederal Government may obtain copies of federal specifications, standards and commercial item descriptions as specified in the General Information section of the Index of Federal Specifications, Standards and Commercial Item Descriptions. The Index is for sale on a subscription basis fiom the Superin
9、tendent of Documents, U.S. Government Printing Office, Washington, DC 20402.) (Single copies of this specification, and other federal specifications and commercial item descriptions required by activities outside the Federal Government for bidding purposes are available without charge fi-om the Gene
10、ral Services Administration, Federal Supply Service Bureau, Specification Section, Suite 8100,470 LEnfant Plaza, SW, Washington, DC 20407.) DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PW-2104 - Lubricating Oil, Internal Combustion Engine, CombaTactical Service. (Copies of military specifications and st
11、andards required by contractors in connection with specific procurement functions are obtained from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 191 11-5094.) Government documents, drawings, and publications form a part of this document to he extent spe
12、cified herein. Unless otherwise specified, the issues are those cited in the solicitation. 2.2 Other Government documents. drawings, and mblications. The following other FEDERAL REGULATIONS Title 48 - Federal Acquisition Regulation System: Chapter I - Federal Acquisition Regulations (FAR); Part 23,
13、Environment, Conservation, Occupational Safety, and Drug-Free Workplace; Sub-chapter D - Socioeconomic Programs; Subpart 23.4 - Use of Recovered Materials. 2 9999974 OLBL477 4bL Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-F-F-35 1F (The Code of F
14、ederal Regulations (CFR) and the Federal Register (FR) are for sale on a subscription basis from the Superintendent of Documents, U.S. Government Printing Offce, Washington, DC 20402. When indicated, reprints of certain regulations may be obtained from the federal agency responsible for issuance the
15、reof.) INTERNATIONAL ORGANEATION FOR STANDARDIZATION (ISO) IS0 4572 - Hydraulic Huid Power-Filters-Multi-pass Method for Evaluating Filtration Performance. (Application for copies should be addressed to the International Organization of Standards, 1, rue de Varembe, Case postale 56, CH-121 1 Geneve
16、20 Switzerland.) 2.3 Other Dublications. The following documents form a part of this specification to the extent specified herein. Unless a specific issue is identified, the issue in effect on date of invitation for bids or request for proposal shall apply. AMERICAN SOCIETY FOR TESTING AND MATERIALS
17、 (ASTM) D874 D893 D3699 - Standard Test Method for Sulfated Ash From Lubricating - Standard Test Method for Insolubles In Used Lubricating - Standard Specification for Kerosine (DoD Adopted). Oils And Additives British Standard (DoD Adopted). oils (DoD Adopted). (Application for copies should be add
18、ressed to the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) 51260 - Standard Oil Filter Test Oil, Standard. (Applications for copies should be addressed to Society of Automotive Engineers, 400 Commonwealth
19、Drive, Warrendale, PA 15096.) 3. REQUIREMENTS 3.1 SDecification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheets (see 6.5). 3.2 First article. When specified (see 6.2), a sample shall be subjected to first article inspec
20、tion in accordance with 4.3. 3 = 9999974 OL8L478 3T8 = Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-F-F-35 1F 3.3 Materials. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with para
21、graph 23.403 of the Federal Acquisition Regulation (FAR) (see 6.4.7). 3.4 Design and construction. Filters and/or filter elements shall be the manufacturers current standard product which meets or exceeds the requirements specified herein. 3.4.1 Type I. 3.4.1.1 Filter body. Filter bodies shall be de
22、signed to withstand all the structurai loads imposed by the requirements of this specification. In addition, the filter housings and mountings shall be of such strength and rigidity as to withstand the torque loads required for making tube connections and the replacing of filter elements. Unless oth
23、erwise specified (see 6.2), exterior surfaces of body shall be given the manufacturers standard commercial finish. 3.4.1.1.1 Class 1, Style B. Filter shall consist of a body enclosing a filter element. The body shall be equipped with necessary fastening and mounting arrangements and product markings
24、 as specified and as required for satisfactory service in the intended application (see 6.2). Exterior surfaces shall conform to 3.4.1.1. 3.4.1.1.2 Class 3. Design and general arrangement shall conform to F-F-351/2. All screw threads shall be in accordance with FEiD-STD-H28/2. The structural strengt
25、h of the body shall be sufficient to operate safely with a tightening torque of 25 foot-pounds (ft-lb) (33.9 newton.meters (Nem) (see 4.6.1). 3.4.1.2 Cover assemblies. 3.4.1.2.1 Class 3. 3.4.1.2.1.1 Cover. Dimensions shall conform to F-F-351/2. The cover shall be consmcted of steel, 0.125 inch (in.)
26、 minimum thickness, or of material with equivalent characteristics, suitable to withstand a tightening torque of 25 ft-lb applied to cover screw. The cover shall be constructed to provide sufficient internal space for the element hold down spring and sufficient external area for the cover screw gask
27、et. Unless otherwise specified (see 6.2), exterior surfaces of the cover shall be given the manufacturers standard commercial finish. 3.4.1.2.1.2 Cover screw. When in place on cover, cover screw shall carry a spring, so attached that it may be removed from screw when desired. Screw threads shall be
28、in accordance with FED-STD-H28/2. 4 E 9999974 0181479 234 m Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-F-F-35 IF 3.4.1.2.1.3 Cover screw gasket. The cover screw gasket shall seal the joint between cover hole and cover screw gasket seat. Construc
29、tion shall be of permanent type, with material optional. Dimensions shall conform to F-F-351/2. 3.4.1.2.1.4 Cover gasket. The cover gasket shall seal the joint between the cover flange and the body. For type I, class 3 filter, cover gasket shall conform to F-F-351/6. 3.4.1.2.1.5 Element hold-down sr
30、ring. When in place on cover, cover screw shall carry a cylindrical or conical spring, so secured that it may be removed from the screw for servicing cover screw gasket. The spring force shall be not less than 15 nor more than 35 pounds (lb) (not less than 6.8 nor more than 16 kilograms (kg) (see 4.
31、6.9). 3.4.1.3 Center tube. 3.4.1.3.1 Class 3. For class 3 filters, the center tube shall be constructed of seamless steel tubing or of a material with equivalent characteristics, with adequate wall thickness to provide tensile strength sufficient to operate safely with an applied tightening torque o
32、f 25 fi-lb. The tube shall be free of burrs and shall contain a stop or collar to position and support the lower end of the filter element. The tube shall be provided with an orifice drilled through one side of the wall of the center tube to serve as an outlet passage for filtered oil. It shall conf
33、orm dimensionally to F-F- 35 1/2. 3.4.1.4 Base. For class 3, base-mounted filters, the base shall conform to F-F-35 1/2. Design and arrangement of inlet and outlet passages are at the manufacturers option. A check valve, for the prevention of oil drainback, shall be provided and shd conform to the d
34、imensional limitations as specified in F-F-35 112. Otherwise, design and method of check valve instailation is optional. A drain passage shall be provided to facilitate element replacement and shall have a plug not smaller than 0.25 in. (6.4 millimeters (mm) “F, dry seal. 3.4.1.5 Antidrain-back seal
35、. Type I bypass flow filters with integral elements shall be provided with an antidrain-back seal (valve). 3.4.1.6 Installation arrangements. 3.4.1.6.1 Class 1. As specified (see 6.2), straps, brackets or other means for installation on or near the engine to be served shall be incorporated into the
36、design of the type I, class 1, style B filter. Unless otherwise specified (see 6.2), oil lines and oil line fittings shall not be required as part of the complete filter assembly. 3.4.1.6.2 Class 3. Class 3 filters shall be arranged for base-mounted installation in accordance with F-F-351/2. 5 99999
37、74 OL8L480 T5b Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-F-F-35 1F 3.4.2 Type II. When specified (see 6.2), filter elements shall be furnished as separate replacement items, including applicable gasket for sealing the filter cover to the filter
38、 body. 3.4.2.1 Class 1, style B. 3.4.2.1.1 Performance requirements. Class 1, style B filter elements shall meet the applicable performance requirements of 3.5. 3.4.2.1.2 Filter element. The element for class 1, style B fiter shall be supplied as part of the filter assembly and not separately. 3.4.2
39、.1.3 Gasket. The class 1, style B filter shall be supplied with an applicable gasket for sealing filter to mounting plate as part of the filter assembly. 3.4.2.2 Class 3. 3.4.2.2.1 Design. Type II, class 3 filter element shall conform to the design and arrangement as specified in F-F-35114. 3.4.2.2.
40、2 Performance reauirements. Type II, class 3 filter elements shall meet the applicable performance requirements of 3.5. 3.4.2.2.3 Pullout device. A pullout device shall be incorporated in the upper side (top) of each type II filter element. The pullout device shall meet the direct pull requirements
41、of 3.5.10.1. 3.4.2.2.4 Installation. Type II, class 3 filter element shall be suitable for field installation in the type I, class 3 fiiter body without the use of any type of adapters. 3.4.2.2.5 Sealing members. Top and bottom seals shall be funiished for each type II, class 3 filter element. The s
42、eals shall be permanently attached (mechanically secured, not bonded with cement) to the element and shall be capable of sealing around the center tube (see F-F-351/4). spring bearing plate or equivalent, which shall be either mechanically attached to, or constructed integrally with, the element. 3.
43、4.2.2.6 SDring: bearing plate. Type II, class 3 filter elements shall be fimished with a 3.4.3.1 Design. Filter elements, according to their class, shall conform to the design and dimensions as specified on F-F-351!7. Filters shall be provided with sealing members and furnished with a gasket or gask
44、ets appropriate for the class shown as specified in F-F-351/7. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-F-F-35 1F Allowable media Class migration in milligrams 1 3 2 5 3 10 4 15 Elements shall not contain built-in relief valves, orifices or
45、bleeding devices. Filter elements shall have a perforated outer jacket and meet the applicable perforrnance requirements of 3.5. 3.4.3.2 Pullout device. A pullout device is not required on type IV, class 1,2,3 or 4 elements. If a pullout device is required in a Type IV, class 4 element (see 6.2), it
46、 shall be a device accessible at the top and shall not interfere with the proper mating and sealing of the gasket surface when the elements are stacked vertically. The pullout device shall meet the direct pull requirements of 3.5.10.2. 3.5 Performance requirements. 3.5.1 Pressure resistance. Type I,
47、 class 1, style B filter assembly shall withstand a pressure of not less than 100 pounds per square inch (psi) (689 kilopascals type II, filter elements; and type IV filter elements shall be tested for additive removal. The lubricating oil used in testing shall retain not less than 90 percent (%) of
48、 its original additive content (see 4.6.4). 22hrs. 44 hrs. 66 hrs. 0.120 0.240 0.272 0.120 0.240 0.272 0.188 0.376 0.456 0.087 O. 174 0.202 3.5.5 Filtering ability (see 4.6.5). 3.5.5.1 Types I and II. Applicable filters and elements shall be tested for filtering ability as specified in 4.6.5. For ty
49、pe I, class 1 and 3 filters, the normal pentane insoluble content of the oil samples taken at the end of the test shall be not greater than 0.50% by weight. The cumulative filtering efficiency at the end of 22,44,66 and 88 hours of operation, as applicable, shall be not less than 85%. 3.5.5.2 Tvue IV filter elements. Elements shall be tested for filtering ability as specified in 4.6.5. Differential pressure of class 1,2 and 4 filter elements shall not excee
