1、f A-A-1923A 9999974 OLb8008 995 m I INCE A-A- 19234, 18 JULY 1995 SUPERSEDING 2 May 1983 A-A- I 923 COMMERCIAL ITEM DESCRIPTION SHIELD EXPANSION (LAG, MACHINE AND EXTERNALLY THREADED WEDGE BOLT ANCHORS) The General Services Administration has authorized the use of this commercial item description fo
2、r all federal agencies. 1. SCOPE. This Commercial Item Description (CID) covers the following types of bolt anchors for use in attaching equipment and fixtures to masonry: Type 1 - Lag Bolt Anchors (Table I) Type 2 - Machine Bolt Anchors, single - end expansion (Table Il) Type 3 - Machine Bolt Ancho
3、rs, double - end expansion (Table II) Type 4 - Externally Threaded Wedge Bolt Anchors (Table 111) 2. SALIENT CHARACTERISTICS. 2.1 Bolt Anchor Configurations. 0A t- f i/ 3 “1 rA1 Type 1 Type 2 (design optional) B *i I! Type 4 (design optional) Beneficial comments, recommendations, additions, deletion
4、s, clarifications, etc., and data which may improve this document should be sent to: Defense Industrial Supply Center. Attn: DISC-ECB, 700 Robbins Avenue, Philadelphia, PA 191 11 -5096. ASMC N/A 1 of 4 FSC 5340 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provide
5、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A- 1923A TABLE 1. Type 1, DASH NUMBERS AND DIMENSIONS Size, Diameter Anchor Dimensions Capacity Shield Length B Outside of Lag Bol Average Ultimate *2 (Lbs) Dash Numbers (Minimum) Diometer A (Minimum) (Minim
6、um) I Short Shields 1 o1 2500 3000 2.000 1 .o00 .750 2.000 106 21 O0 .875 .625 2.000 105 1300 .750 500 104 800 1.750 .625 .375 1 .o00 103 400 .SOO .3 1 25 102 1 .o00 .SOO .250 111 .250 .SOO 1.500 500 112 .3 1 25 .500 1.750 1 O00 113 .375 .625 2.500 1600 114 .500 .750 3.000 2800 115 .625 .875 4000 3.
7、500 1 .o00 .750 116 3500 3.375 Long Shields 1. Recommended safe workina load is one - fourth of the averaae ultimate caDacity. 2. Test in accordance with ASTM E488. “ TABLE II. Type 2 and 3, DASH NUMBERS AND DIMENSIONS Thread Size Anchor Dimensions Dash Length B Diameter A Numbers UNC-2B Average Ult
8、imate s2 (Lbs) Capacity (Minimum) (Minimum) (Minlmum) 20 1 202 203 204 205 206 250-20 .3125-18 .375-16 -500- 1 3 .625-11 .750-1 O .SOO -500 -625 .750 .875 1 .o00 1.250 1.375 1.500 2.000 2.500 2.750 800 1100 1450 2400 3000 1 aso 30 1 302 303 304 305 306 307 308 -250-20 -375-1 6 -500-1 3 .625-11 .750-
9、1 O -875-9 1 .OOO-8 .3125-1 a .SOO -625 .625 .875 1 .o00 1.1 25 1 soo 1.625 1.250 1.625 2.000 2.250 2.750 3.250 4.000 4.250 1100 1450 1750 2200 3250 4600 5850 670n 1. Recommended safe working load is one - fourth of the average ultimate copacity. 2. Test in accordance with ASTM E488. 2 Provided by I
10、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Dash Numbers 40 1 402 403 404 405 406 407 408 409 41 O 41 1 41 2 41 3 41 4 41 5 41 6 41 7 A-A- 1923A TABLE 111. Type 4, DASH NUMBERS AND DIMENSIONS Thread Size UNC-2A .250-20 .250-20 .250-20 .3125-18 .3125-18 .375-
11、1 6 .375-16 .375-16 .500-13 .500-13 .soo- 1 3 .500-13 .625-11 .750-1 O .750- 1 O .750-1 O .875-9 Anchor Dimensions Diameter A (Minimum) (Minimum) Length B .250 .250 .250 .3 1 25 .3 1 25 .375 .375 .375 .500 .500 .500 .500 .625 .750 .750 .750 .875 1.750 2.750 3.000 2.000 3.000 2.000 2.750 3.500 2.750
12、3.500 5.00 6.00 6.00 5.00 6.00 7.00 8.00 ?ecommended dinimum mbedment 1.125 1.250 1.250 1.250 1.250 1.250 1 .soo 1 .soo 2.000 2.250 2.250 2.250 3.500 3.500 3.500 3.500 4.500 iverage 32 Jltirnate :apacity(Lbs) :Minimum) 1450 1500 1500 1900 1900 3200 3689 3689 4200 5065 5065 5065 10192 17194 171 94 17
13、1 94 19000 1. Recommended safe working load is one - fourth of the average ultimate capacity. 2. Test in accordance with ASTM E488. 2.2 MATERIAL: 2.2.1 Types 1,2 and 3 bolt achors shall be made of zinc alloy. 2.2.2 Type 4 bolt anchors shall be made of steel and zinc plated in accordance with ASTM 86
14、33, Type III, SC1. 2.2.3 Type 4 bolt anchor nuts shall be in accordance with ANSI/ASME B18.2.2. 2.2.4 Type 4 bolt anchor washers shall be in accordance with ANSI/ASME 818.22.1. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A- A- 1 923A 3. QUALITY
15、 CONFORMANCE PROVISIONS 3.1 The suppliers shall be responsible for those in process controls and inspections 3.2 Upon request, the supplier will certify with documented test/inspection evidence, that necessary to supply a product consistently conforming to the requirements of this document. the pari
16、s supplied meet the requirements of this document. 4. NOTES 4.1 Unless otherwise specified, all dimensions are in inches. 4.2 Bolts are not included with Types 1, 2 and 3 bolt achors unless specified in 4.3 Packaging shall be in accordance with ASTM D3951. 4.4 The part identification number (PIN) sh
17、all consist of the basic commercial item purchasing contract. description number followed by a dash number from Table I, II, or III. I-“ Dash Number Basic Number MILITARY INTERESTS: Custodians: Army - AR Navy - YD Air Force - 99 Preparing activity: (Project No. 5340-2225) DU - IS 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
