1、Superseding 4 cvidcd on the geriphery of the pallet to gsxmitrnating with the aircraft rail system. The lip shall be of adequatc strength to withstand the perforaunce requiremnts specified in 3.5.1. shall be spaced as shown on figure 2 and shall be a fiinirauai of 14/8 inches deeg masured fraa the o
2、utside of the liS. fillet will be permitted at the inside bottoni of the cutouts. Liga- A lip conforming configuratianwise to fikures 2 and 3 shall Cutouts in the lip A 1/8-inch maximwn 3.4,6 be provided around the pallet perimeter to pernit securing a net coafom- ing to 1-27647. fm a tisdown ring a
3、t the lateral and horizontal centerline of the pallet, and the maxinium stock cross-cectimal dinznsion shall be 1/2 inch. not being used for tiedown prpose.s, the rinks shall not extend beyond the. upper or lower mface. of the asllet. action and shall be so mounted that they do not interfere with en
4、try of the pallet into the continuous rail section shown an fibure: 3 and figure 4, The pivot soint of the ring shall be outside of the usable surfacs edge (see 6.3 .) Tiedown rings.- Sixteen sytnmetrica1i.y lcc ated tiedo-dn rings shall Tha pattern of the tiedown rings shall be oriented viinimwn cl
5、ezr opening of tks rings shall be 1-1/4-inch tiiameter, Uhen The rings shall have such f5 : , !C -. P 3 . S. - _- I - - -/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-J - ly“ _ - (, l , I I I I I Provided by IHSNot for ResaleNo reproduction or n
6、etworking permitted without license from IHS-,-,-?= 1 II It II i i I I 1 J Il ir Il lr: I I I I 7 II I I I .-.:. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
7、 IHS-,-,-/ m-P-27648( USAF) +2 -o ne Dww Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-27b48C 37 m 7777706 0283700 O H - - - 2.4rn6oi Ring capacity and movement,- Each tiedown ring shaU be capable of at bast 240 of free movement in a veiL.t;i
8、cal plane that intersects the pallet edge af right angles. Each ring isha3.L be aagable of SUSV staining a 7,500-pound tension load atLong any bine ia this plane within the angular Wmi,ts, Lach ring shall asa be apable of sustaining a j mathad shall be podtive. 3irnb.7 Forklift entries,- Ogeninga sh
9、all be provided on the 8binch sides of the pallet to accept forklift tines. spaced symmetrialyabout the centerline and shall be 2-3/b inches hi$h by 10 inches long and spaced 26 inches center-to-center. The opening of 812; foE a period of tirrinie not less than 0.1 secand, The pd1e.t; need n0.t be s
10、ervSceable after unergoing such a bad, However, the: pellet shall remain in one piece. 3 distorta or loose bushing and pins; or rough,malformed, misaligned, or improperly fabricated fittings shall be considered defects. All corners shall be rounded. ShaTp edges, burrs, or other protrusions will not
11、be permitted. 4. QUALJIY ASSURANCE PilOVISIO 4.1 Responsibility for inspection.- Unless otherwise specified in the contract or purchase order, the supplier is responsible for the perfora- ance of all inqection requiremnts. as specified herein. Except as otherwise s.pecified, the supplier may utilize
12、 his own facilities or any comercial laboratory acceptable to ths Government. The Government reserves the right to perform any of the inspections sat forth in the specification where such inspections are decrned necessary to assure supplies and services conform to prescribed requirements. 4.2 shall
13、be classified as follows: Workmanship.- Workamship shall be of the highest quality to Classification of tests.- The inspection and. testing of the pillet a. Preproduction testing . See 4.3 I . ,- b Acceptance testing See 4.lj.i t.,; + “I =* 11 Provided by IHSNot for ResaleNo reproduction or networki
14、ng permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IIP-27648c( USAF ) 4.4.1 specified in 4D5.1. Individual teat,- Each pallet shall be subjected ta the test 4D4.201 essentially the same conditions and submitted
15、for inspection at .substantially the same time. htb A.lot shall conaist of palletsmanufactured under 4.4.2.2 random frcm each Lot of 25 pallets, or fraction thereof, and subjected to the test spacified in 4.502. Sampling plan and test.- One palLet shall be selected at i+*,! the Provided by IHSNot fo
16、r ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-bo Soak in a cold chamber for 4 hours. at -65OF 0. Repeat a d. Repeat b. 4m5.704.1 shall be maintained at -650F and the palle
17、t subjected to 20 cycles of the same test specified in 4.5.7.1. After completion a the immersion specified, the temperature 4.5.8 Static test.- When supported by three row however, penanent deformation will be acceptable. 4m5.9.1 While supwrting a 5,000-gound unifomlj. distributed load, the pallet s
18、hall be placed an a =oath, dry concrete surface without shoring. aile in ?;his. positioc, forks of a fmklift truck shall be wedged their full length under the pallet and withdrawn. The forks shall be 54 inches long, 6 inches wide, with an shall be spaer2 on 42-inch canter-to-center, ducted four tjma
19、s on each side of the pallet. of either surface separating during this test. The load shall The pallet and load shall end radius not less. than 1/4 inch, and This test shall be con- There shall be no evidsnce 4.5.10 bt the conclusion of au preproduction tests (except the ultimate load test), the pal
20、lets. shall be inspected to determine that no delamination Gf either top or bottom surface has occured. surface shall br cause for rejection. Any delamination cd either h.6 Inspection of the preservation, packaging, packicg, and marking for skipmnt and st.orage.- The inspection of the preswvation, p
21、ackaging, packing, and Amking for shipaent and storage Title, nuinber, and date of this specification b Applicable levels of grecorvation and packaging, and pzcking. 6.3 definitions shall apgly: 6.3.1 stacking cargo. The surface should be a minimum of 49-3/8 by 03-3/8 inches. Definitions.- For the p
22、urpose of this cecification, the following Usable surface,- Usable suiface is defined as the surface used for 6.3.2 defined as rectangular units approuinately 16 by 21 by 20 inches. Uniforriily distributed load.- A uniformy distribute load is Custodian: Air Force - 11 Preparing Activity: Air Forca -
23、 Il Reviewers : Air Force. - 11, 67 Reviewer/user informtion is current as of the date of this d3cment. For future coordination of changes to this docuoiient, draft circulation should be based on tne inforriiation in the ourrdnt Federal Supply Classiflobtion Listing of- DOD Standardization Documents. 18 GPO 81 1-462-1 ci9 /- Y - .- - 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
