1、! A-A-2930A August 6,2003 SUPERSEDING- A-A-29 30 -_-_ _._ -_- April 1, 1996 REAMER, HAND, TAPER PIN The General Services Administration has authorized the use of this comercial item description by al1 federal agencies. 1. SCOPE. This commercial item description covers taper pin hand reamers used in
2、reaming hole diameters to specified tolerances. 2. CLASSIFICATION. Type 1 - Straight Fluted Type 2 - Spiral Fluted 3. SALIENT CHARACTERISTICS. 3.1 Type 1. 3.1.1 Design. The hand reamer shall have straight flutes, straight round shank with squared end, and shall be right-hand and ground. The reamer s
3、hall be similar to Figure 1 (A), and conform to the dimensions specified in ASME B94.2, Table 24 and its applicable tolerances. (A) Taper Pin Hand Reamer, Straight Flutes (El) Taper Pin Hand Reamer, Spiral Flutes Figure 1. r Beneficial comments, recommendations, additions, deletions, clarifications,
4、 etc. and any other data 1 which may improve this document should be sent to: General Services Administration, Federal Supply Service, Hardware SuperStore (BFEE), i500 E. Bannister Rd Bldg. #6, Kansas City, Missniiri 64 1 3 1. t I - FSC 51 10 Provided by IHSNot for ResaleNo reproduction or networkin
5、g permitted without license from IHS-,-,-A-A-2930A 3.2 Type 2. 3.2.1 Desim. The hand reamer shall have spiral flutes, straight round shank with squared end, and shall spcirieu in ADML DYV.L, iiiuit; LL clliu IL s ayyiauic LuiciilliLcb. -_ be-left-hand-and-groundhe-reamer-shall-be-sim-lar-to-Figure-l
6、-(B),.and- confom-to-the.dirnensions- _I - -:c-_I :- A on xc nnA -1-1- +,i -.-I :CY, -.-I:-LI,. +,I -I-_- 3.3 Material. The hand reamer shall be made of molybdenum base types M1, M2, M7, or M10 high speed steel. 3.4 Construction. The cutting section shall taper 1/4 inch per foot. The cutting edges s
7、hall be properly relieved and the flutes shdI provide for chip clearance. Flute spacing shall be in accordance with the manufacturers standard practice. The shank shall be integral or joined to the reamer by welding, and $.hail be between centers. I wi the cuEing edges 0.JQ 1 inch tuid iior reading
8、(;ir) 3.5 Hardness. The full length of the cutting edges of the reamer shall be hardened and tempered to a Rockwell hardness value from CB1 to C7. When required to be tested, the reamer shall be tested for hardness in accordance with ASTM E18. I 3.6 Performance, The reamer shall cut freely and produ
9、ce smooth and accurate holes when subjected to hanci reaming a minimum or 3 noies in a sied piaie of at least i/2 inch thickness. The testing steel shall conform to FED-STD-66, AISINurnber 4140 or 41 50, arid shall have a Brinell hardness value from 235 to 285. The starting holes shall be 0.002 to 0
10、.003 inch smaller than the small diameter of the finish- reamed hole. rnr I I , I I 3.7 Workmanship, Details of workmanship shall be in accordance with the best commercial standards and practices. Paints, coatings, platings, and finishes shall be smooth adherent, continuous, and not stained or disco
11、lored. External surfaces shall be free from manufacturing workmanship defects (e.g sharp or rough fins, burrs, tears nodules, cracks, blisters) which may adversely impact the items serviceability, durability, safety, or appearance. s pg, rips, 3.8. Identification Markina. The reamer shall be marked
12、with the manufacturers name or identifying symbol, and the state or country of manufacture, unless otherwise specified. All identification markings shall be engraved, etched, molded, or indented directly on the items surface in such a manner that it remains clearly legible throughout the life of the
13、 item. Thereamer shall be marked with the words CfT. -1 riign Speed or the abbeviaiion ES. L 4. REGULATORY REQUIREMENTS. 4.1 Recovered Materials. The offerorcontractor is encouraged to use recovered materiah to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal acquis
14、ition Regulation (FAR). A n XX-LL- n-A-L n-J+.-+, _ -h.-.a +- -,.+A,. A: _-_ :, ,:II L- _ :.I-,-I ,. .-.I _-I I,:, +.L iviciric; rwuuc;i. rIuuuu Iiimuicluucu LU IIICUL uiiiiciisiuiis WIII uc wiisiucicu uii a11 cyudi uaais with those manufactured using inch-pound units, provided they fall within the
15、tolerances specified (using conversion tables contained in the latest revision of Federal Standard 376) and all other requirements of this document are met. If a product is manufactured to metric dimensions and those dimensions exceed the tolerances specified in the inch- pound units, a request shou
16、ld be made to the contracting officer to determine if the product is acceptable. I I 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I A-A-2930A 5. PRODUCT CO SFOR 1 1 4NCE. 5 ;lProduct-onfoance;-he-product-provided-shall-meet-the-salient-c-haracte
17、istics-oEis- - - quality assurance practices, and be the same product offered for sale in the commercial market. The government reserves the right to require proof of such conformance. - rciai liem Descr;ipiion, conf-n io the producer)s u-wn drawing, sppecficaiions, sim(jar&, 5.2 Responsibility for
18、Inspection. Unless otherwise specified, the contractor is responsible for the performance of all inspection requirements and may use any commercial facilities (including the contractors own facilities) suitable for performance of the inspection requirements, unless disapproved by the Government. The
19、 Government reserves the right to perform any of the inspections deemed necessary to assure the item conforms to the specified requirements. i 6. PACKAGING. Preservation, packaging and marking shall be as specified in the contract or order. 7. NOTES. This section contains information of a genera1 or
20、 explanatory nature that is not mandatory, 7.1 Source of Documents. American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. Federal Acquisition Regulation (FAR): Government Prhting Office, Superintendent of Documents, Washington DC. 20
21、40 1-937 1, General Services Administration, Specification Section (3FP-E), Suite 8 100,470 LEnfant Plaza, S W, Washington, DC 20407. American Society for Testing and Materials, 19 16 Race Street, Philadelphia, PA 191 03. 7.2 Ordering data. Purchasers should select the preferred options permitted he
22、rein and should include the following information in procurement documents. a, Title, number, and date of Commercial Item Description. b. Type and reamer size. c. Packaging requirements. 7.3 National Stock Numbers (N3Ns). A list of NSNs assigned that correspond to this CID. The list may not be indic
23、ative of all possible NSNs associated with the CID. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-7.3.1 Tme 1. .I .- A-A-2930A -Size- Number-, -.- -Size- -_ Size -_ - - -Number- ._ -_ _- P 710 5 1 10-00-253-3 152 O 6 5 1 10-00-253-3 176 610 5 1 1
24、0-00-253-3 154 I 5 1 10-00-243-2005 7 5 1 10-00-253-3 178 510 5 1 10-00-253-3 156 2 5 1 10-00-243-2006 8 5 1 10-00-555- I205 410 5 1 10-00-253-3 158 3 5 I 10-00-253-3 1 ?O 9 I 5 I 10-00-253-3 182 I I Reamer 1 National Stock 1 Reamer I National Stock 1 Reamer National Stock Reamer Size 610 710 5 /O 4
25、10 310 210 National Stock Reamer National Stock Reamer National Stock Number Size Number Size Number 5 1 10-00-253-3 15 1 O 5 I 10-00-253-3 I63 6 5 1 10-00-253-3 175 5 1 10-00-253-3 153 -511o-oo-253-3155- 1 7 51 10-00-253-3177 . 5 1 10-00-253-3 155 2 5 1 10-00-253-3 167 8 51 10-00-253-3179 51 10-00-
26、253-3 I57 3 5 1 10-00-253-3 I69 9 5 I 10-00-253-3 I8 I 5 1 10-00-253-3 159 4 51 10-00-253-3171 10 5 1 10-00-253-3 183 5 1 10-00-253-3 161 I 5 51 10-00-253-3173 7.3.2 Tvue 2. MILITARY INTERESTS: NONE: DoD has no registered interest in revisions and amendments to this Commercial Item Description until further notice. 4 Preparing Activity: GSA-FSS Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
