A-A-52427
5.3 CID based part identification number (PIN). The following part identification numbering procedure is for Government purpose and does not constitute a requirement for the contractor (see figure 1).
A 52427-X-XXXXX
A = CID Designator
52427 = CID number.
X = Thread hand:
L - Left hand thread
R - Right hand thread
XXXXX = Nut thread size:
0.750: 3/4 - 16 UNF-2B
1.125: 1 1/8 - 16 UN-28
5.4 Cross-reference. Nuts conforming to this CID are interchangeable/ substitutable with nuts conforming to MS519S3E, dated 30 August 1982.
5.5 Regulatory requirements. The offeror/contractor is encouraged recovered material in conformance with Public Law 94-580 to the maximum extent practicable.
5.6 Metric products. Wheel mounting nuts made to metric dimensions are subjected to the following requirements:
a. Products manufactured to metric dimensions will be considered on an equal basic with those manufactured using inch-pound units, provided they fall within specified tolerance using conversion tables contained in the latest revision of ASTM E380, and all other requirements of this Commercial Item Description are met.
b. 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 the contracting officer to determine if the product is acceptable.
c. The contracting officer has the option of accepting or rejecting the product.
Custodians:
Army – AT
Air Force – 99
Review activities:
Army - MI, ER
Air Force - 82
OLA - IS
User activities:
Army-ME
Preparing activity:
Army – AT
(Project 5310-1835)
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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