1、I -%- e I INCH POUND I 9 May 1991 A-A-52039 COMMERCIAL ITEM DESCRIPTION NOZZLES, FUEL AND OIL SERVICING, NONAUTOMATIC SHUTOFF AND NOZZLES, FUEL SERVICING, AUTOMATIC SHUTOFF The General Services Administration has authorized the use of this commercial item description as a replacement for Military Sp
2、ecification MIL-N-52110F. This description covers automatic shutoff nozzles used for dispensing liquid fuel and nonautomatic shutoff nozzles used for dispensing liquid fuel and oil. I Salient characteristics. Design. The nozzles, intended for attachment to fuel hoses, shall consist of a spout, a con
3、trol device as specified herein, and body. When specified, the body shall be designed to accommodate an arctic mitten as shown in figure 1. The nozzles shall be a commercial product and the latest model of the manufacturers standard product that has been manufactured, marketed, and accepted commerci
4、ally for a minimum period of one year prior to invitation to bid or request for proposal, The manufacturers latest product improvements incorporated in their current production nozzles are acceptable. When specific requirements are not stated herein, all items listed as standard equipment in the man
5、ufacturers published specifications, brochures, and catalogs which are normally furnished to the commercial customer as standard equipment shall be furnished. In addition, the nozzles shall be equipped with optional equipment and accessories as required to comply with the performance requirements sp
6、ecified herein. purpose of this document may be defined as equipment not standard or normally furnished with the nozzles but which is available to the co%ercial customer on an optional basis. Any additional equipment or accessories specified to satisfy military requirements shall be constructed, ass
7、embled, and equipped with all components, whether or not specified herein, necessary to enable the unit to function reliably and efficiently in sustained operations. Federal laws and regulations applicable for this type of equipment which are in effect on date of award of contract. Optional equipmen
8、t for the The nozzles shall conform to all Beneficial comments, recommendations, additions, deletions, clarifications, etc, and other data which may improve this document should be sent by letter to: Commander, US Army Belvoir Research, Development and Engineering Center, ATTN: STRBE-TSE, Fort Belvo
9、ir, VA 22060-5606. AMSC N/A FSC 4930 DISTRIBUTION STATEMENT A. Approved for public release; distribucion is unlimited. . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52038 49 9999974 0063493 3 I A-A-52030 Classification. The nozzles shall be t
10、he following types, sizes, classes, and styles as specified. Type I - Nozzles, fuel and oil servicing, nonautomatic shutoff (manually operated). Size 1 - For use with 3/4-inch or 1-inch hose. Size 2 - For use with 1-1/4-inch or 1-1/2-inch hose. Size 3 - For use with 2-inch or l-1/2-inch hose. Type I
11、I - Nozzles, fuel servicing, automatic shutoff. Size 1 - For use with 3/4-inch or 1-inch hose. Size 2 - For use with l-l/4-inch or l-1/2-inch hose. Type III - Nozzles, service station pump, self service, automatic shutof f. Size 1 - For use with 3/4-inch or 1-inch hose. Size 2 - For use with l-l/lc-
12、inch or l-1/2-inch hose Class A - Spouts for use with leaded gasoline. Class B - Spouts for use with unleaded gasoline. Style 1 - Curved spout. Style 2 - Straight spout. Type I. The type I, size 1 nozzle shall weigh not more than 2.50 pounds. The size 2 nozzle shall weigh not more than 5.50 pounds.
13、The size 3 nozzle shall weigh not more than 6.0 pounds. The nozzle weight shall not include the accessories specified herein. Tvpe II. The type II, size 1 nozzle shall weigh not more than 3.25 pounds, The size 2 nozzle shall weigh not more than 6.50 pounds. The nozzle weight shall not include the ac
14、cessories specified herein. Type III. pounds, The size 2 nozzle shall weigh not more than 6.50 pounds. The nozzle weight shall not include the accessories specified herein. The type III, size 1 nozzle shall weigh not more than 3.50 Inlet. The inlet of the size 1 nozzle shall have internal nominal 1.
15、0- inch American National Standard taper pipe thread (NPT), or 0.75 inch American National Standard taper pipe thread and be furnished with a bushing to increase thread to 1.0 inch NPT. The inlet of the size 2 nozzle shall have internal nominal 1.50-inch NPT. The inlet of the size 3 nozzle shall hav
16、e internal nominal 2.0-inch NPT. Materials. The nozzle body shall be cast aluminum alloy, such as 356-T6. The valve springs shall be corrosion-resisting steel wire or spring steel. The valve stem shall be corrosion-resisting steel. The nozzle 2 Provided by IHSNot for ResaleNo reproduction or network
17、ing permitted without license from IHS-,-,-I I l. I A-A-52030 shall be fabricated of materials fully compatible with the fuels to be dispensed to include all grades of gasoline and jet hydrocarbon fuels. Fuel wetted metallic surfaces shall avoid the use of copper, copper alloys or cadmium plating. E
18、lastomeric seals and diaphragms shall not deteriorate during long term exposure to fuel and shall remain flexible under the environmental conditions applicable to type I, type II and type III nozzles. Spout, The spout shall be style 1, nonflexible, curved type, or style 2, straight type, conforming
19、to the contractors standard configuration and length, provided the end-to-end length of the spout is not less than 7.0 inches as measured along the centerline of the spout. size 1 nozzle shall meet the release and breakaway requirements of UL 842, unleaded gasoline, as specified. The terminal end of
20、 the nozzle spout for use with leaded gasoline, class A, shall have an outside diameter of not less than 0.930 inches and a wall thickness of not less than 0.065 inches. The terminal end of the nozzle spout for use with unleaded gasoline class B, shall have an outside diameter of not more than 0.840
21、 inches and a wall-thickness of not less than 0,065 inches, The delivery end of the spout shall include a straight section not less than 2.50 inches in length. the terminal end of the spout. Wire. spiral. antislip. The type II, size 1 nozzle shall be equipped with a zinc-plated spring steel wire, sp
22、irally wound around the spout and secured to the nozzle. shall be in accordance with the wire supplied on the manufacturers standard nozzle spout. Check valve. Unless otherwise specified, a check valve shall not be required, the applicable type, size, class, and style of nozzles and shall be in acco
23、rdance with the manufacturers standard check valve. Accessories. The size 1 nozzle shall be furnished with an external nominal 1.0-inch x 0.75-inch NPT reducing bushing or external nominal 0.75-inch x 1.0-inch NPT step-up bushing with the internal nominal 0.75-inch NPT inlet. The size 2 nozzle shall
24、 be furnished with an external nominal 1,50-inch x 1.250-inch NPT reducing bushing, nozzle shall be furnished with an external nominal 2.0-inch x 1.50-inch NPT reducing bushing, Unless otherwise specified, an aluminum dust cap shall be attached to the nozzle by a chain and a spring. be size no. 8 sa
25、sh chain. The chain shall be tensioned by a 3-pound per inch, plus or minus l-pound per inch, compression spring. When specified, each nozzle shall be equipped with a fuel nozzle-to-aircraft cable jumper conforming to MS25384-1. Unless otherwise specified, the cable shall be 6.50 feet long. The spou
26、t tube of the size 2 and size 3 nozzles shall be equipped with a wire-cloth strainer. The wire cloth shall be 100 x 100 mesh (open area 30.3 percent), made from 0.0045-inch The spout of the Gasoline-dispensing nozzles shall be for use with leaded or The retaining spring shall terminate 3.0 inches fr
27、om The size and length of the spiral wound wire When check valves are required, they shall be compatible with The size 3 The chain shall 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52030 49 m 9999974 0063493 7 m A-A-52030 diameter round wir
28、e. The strainer and spout shall be capable of being inserted in, or removed from, the nozzle assembly by hand without the use of any tool. The nozzle spout and strainer shall be securely mounted to the nozzle to prevent any movement of the strainer or spout when assembled, Control. For hand control,
29、 type I nozzles, hold-open notches, lugs, or lever supports shall not be permitted on the operating-lever guard. The type II nozzle shall have a fluorosilicone-coated nylon or “Buna-N“ coated fabric diaphragm. When the diaphragm is covered by an externally mounted cap (e.g., attached by capscrews),
30、the diaphragm shall be visibly exposed around the outside perimeter of the cap and body mating surfaces. Metal or plastic parts coming in contact with the diaphragm shall have no sharp edges or projections which might affect proper seating, and no sharp edges or burrs which might abrade the diaphrag
31、m. Unless otherwise specified, the type III control shall be hand or diaphragm controlled. Operating-lever guard. When specified, the nozzles shall have a lever and a guard designed to allow for operation using an arctic mitten as shown in figure 1. With the valve in the closed position, the clearan
32、ces shall be as shown in figure 1. The guard shall protect the lever and valve-operating parts from damage. The guard of size 1 nozzles shall have a 0.375-inch x 1.50-inch minimum slot. The slot shall be located in proximity to the guard to accommodate the standard locking fixture in fuel service pu
33、mps. Anodizing finish. All aluminum and aluminum alloy components of the type I and type II nozzles shall be treated electrolytically in a bath containing sulfuric acid to produce a uniform anodic coating on the metal surfaces. The minimum nominal thickness shall be 0.0007 inch. The anodic coating o
34、f visible components shall be dyed with specified color. Unless otherwise specified, the type III nozzle shall not be anodized, Nozzle capacity. The size 1 nozzle shall have a maximum inlet pressure of 15 psi and a flow capacity of not less than 12 gpm. The size 2 nozzle shall have a maximum inlet p
35、ressure of 15 psi and a flow capacity of not less than 40 gpm. The size 3 nozzle shall have a maximum inlet pressure of 10.2 psi and a flow capacity of not less than 136 gpm. Environmental. The type I, type II and III nozzles shall perform as specified herein at any ambient temperature from -65, f5
36、OF to 145, IT5 OF. Safetv. Except as specified herein, the nozzles shall conform to the assembly and design requirements of UL 842. The type III nozzle shall bear the listing mark of the Underwriters Laboratories, Inc., as evidence that the nozzle to which it is attached has been produced under the
37、listing and follow-up services of the Underwriters Laboratories. The contractor shall certify that the nozzles comply with all applicable Federal safety requirements. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52030 49 = 9999974 O063494 9
38、W - - A-A- 52030 CID based part identification number. The following part identification numbering procedure is for Government purposes and does not constitute a requirement for the contractor, Document identifier Size Type I Class I Style Contractor certification. certify that the nozzles offered m
39、eet the salient characteristics of this description and that the nozzles conform to the manufacturers own drawings, specifications, standards, and quality assurance practices and are the same nozzles offered for sale on the commercial marketplace. Prior to delivery, the Government reserves the right
40、 to require proof of such conformance and to perform any inspections as may be necessary to assure the nozzles conform to the requirements as stated herein. Metric products. considered on an equal basis with those manufactured using inch-pound units, provided they fall within specified tolerances us
41、ing conversion tables contained in the latest revision of FED-STD-376, and all other requirements of this commercial item description are met. If a product is manufactured to metric dimensions and those dimensions exceed the tolerances specified in the inch/pound units, a request should be made to t
42、he contracting officer to determine if the product is acceptable. The contracting officer has the option of accepting or rejecting the product. Regulatorv recn.lirements. section 23.403, the Governments policy is to acquire items composed of the highest percentage of recovered materials practicable,
43、 consistent with . maintaining a satisfactory level of competition without adversely affecting performance requirements or exposing the suppliers employees to undue hazards from the recovered materials. Preservation. packagin8. packing. labeling,. and markinq. The preservation, packaging, packing, l
44、abeling, and marking shall be as specified in the contract or purchase order. Unless otherwise specified, the contractor shall Products manufactured to metric dimensions will be In accordance with Federal Acquisition Regulation, Qualitv assurance provisions. defects. The nozzles shall be examined fo
45、r the following Presence of one or more defects shall be cause for rejection. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52038 49 m 9999974 0061495 0 m Q A-A- 52030 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Notes. 1. 2. 3. 4. Nozzle t
46、ype, size, class, and style not as specified in contract or purchase order. Weight not as specified. Inlet not as specified. Material not as specified. Spout not as specified. Antislip, spiral wire not as specified. Any accessory missing or not as specified. Controls not as specified. Operating-leve
47、r guard not as specified. Finish not as specified. Nozzle capacity not as specified. Environmental conditions not as specified. Safety certification not as specified, Preservation, packaging, packing, labeling and marking not as specified in the contract or purchase order. Ordering data. Procurement
48、 documents should specify the following: Title, number, and date of this item description. Nozzle type, size, class, and style required. When nozzle body is required to accommodate arctic mitten. When check valves are required. When dust cap is not required to be attached. When grounding cable is re
49、quired and length if other than as specified. When type III is required to be other than hand or diaphragm controlled. When guard designed to allow for arctic mitten is required. Color of coating. When type III nozzle is not required to be anodized. Level of preservation, packaging, and packing required. Any special marking. When certification that the nozzles offered meet all requirements of this item description is required. When a TIP is required. UL 842 is available from
