MIL-DTL-82020C(YD)
n. Rotation angle for turntable frogs (see 3.1.4).
o. When first article is required (see 3.2 and 4.2.1).
p. Packaging requirements (see 5.1).
6.3 First article. When a first article inspection is required, the item will be tested and should be a
first article sample or it may be a standard production item from the contractor's current inventory
as specified in 4.2.1. The first article should consist of one unit. The contracting officer should
include specific instructions in acquisition documents regarding arrangements for examination,
test, and approval of the first article.
6.4 Part or Identifying Numbers (PINs). The specification number, type, class, and style are
combined to form PINs for cast frogs and switches covered by this document (see 1.2). PINs for
cast frogs and switches are established as follows:
PIN: M82020 X
X
X
Military Detail Specification Number
PIN Codes
1 = Type I
2 = Type II
3 = Type III
4 = Type IV
A = Class A
B = Class B
C = Class C
D = Class D
E = Class E
F = Class F
G = Class G
H = Class H
1 = Style 1
2 = Style 2
6.5 Subject term (key word) listing.
Double flangeway
Rigid frogs
Single flangeway
Turntable frogs
6.6 Changes from previous issue. Marginal notations are not used to identify changes with
respect to the superseded document.
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