MIL-DTL-29229B(YD)
j. Whether the turntable frog throw mechanism shall be power or manually operated and
whether cover plate for power operated throw mechanism enclosure is to be hinged or
bolted in place (see table III, option 2).
k. Rotation angle of turntable frogs (angle of rail intersection) (see table III, option 3).
l. If turntable frog is to be used on radius and radius of curvature required (see table III,
option 4).
m. When first article is required (see 3.2 and 4.2.1).
n. 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 production item 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 fabricated frogs and switches covered by this document (see 1.2).
PINs for fabricated frogs and switches are established as follows:
PIN: M29229 X
X
X
Military 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
11
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business