MIL-F-48057 Fuze, Rocket, Pibd, M438 Sub-Assembly With DetonatorThis specification covers the quality assurance provisions and special requirements not covered by the drawings for parts and assembly of the Fuze, Rocket, P1BD, M438 Sub-Assembly with Detonator, with option of one \(1\) of two \(2\) Power Supply Sources: Thermal Battery or Magnetic Impulse Generator \(MIG\).

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MIL-F-48057B(AR)

2.2 Other publications. The following documents form a part of this

specification to the extent specified herein. Unless otherwise indicated, the

issue in effect on date of invitation for bids or request for proposals shall

apply.

CODE OF FEDERAL REGULATIONS

Title 49 - Transportation, parts 100-199

(The Code of Federal Regulations is available from the Superintendent of Docu-

ments, U.S. Government Printing Office, Washington, D.C. 20402. Orders shall

specify 49 CFR 100-199).

REQUIREMENTS

3.1 Materials. Materials shall be in accordance with applicable drawings,

specifications an d standards.

The parts and assembly shall comply with

3.2 Components and assembly.

all requirements specified on drawings (dwgs), 9259237, 9259262, 11830059 and

associated drawings, and with all requirements specified in applicable speci-

fications and standards for Type I and Type II, unless otherwise specified.

Dwg. 11008351 (Type I) or 11830062

3.3 Safety and arming device (S&A

(Type II). References to "MIL-D-60953" on Type I S&A drawings shall be

changed to "MIL-F-48057", wherever they occur.)

3.3.1 Non-arming. The device shall not release the power supply striker

(Type I) or the release pin (Type II) nor shall the detonator rotate into line

with the explosive train when any acceleration between zero and 12 g's is

applied in any direction.

3.3.2 Arming. The device shall release the power supply striker (Type I)

or the Release Pin (Type II) and the detonator shall rotate into line with the

explosive train, and the arming detent shall engage the rotor when any

acceleration between 27 and 40 g's is applied coincident with the longitudinal

axis toward the open end of the Striker (Type I) or the release pin (Type II)

housing.

3.3.3 Arming time.

3.3.3.1 Twenty-seven g. The time between the application of the

acceleration and the arming of the device shall be between 1.23 and 1.70

seconds. The device shall meet this requirement at any temperature between

minus 40 and plus 160 degrees F.

3.3.3.2 Forty g. The time between the application of acceleration and

the arming of the device shall be between 1.03 and 1,35 seconds. The device

shall meet this requirement at any temperature between minus 40 and plus 160

degrees F.