GGG-M-125/1B
September 20, 1982
SUPERSEDING
GGG-M-125/1A
May 2, 1978
FEDERAL SPECIFICATION
RESPIRATOR ASSEMBLIES: AIR LINE, WITH FACEPIECE
(SUPPLIED AIR)
This specification has approved by the Commissioner, Federal Supply
Service, General Services Administration, for the use of all Federal
agencies.
The complete requirements for procuring the masks described herein shall
consist of this document and the issue in effect of GGG-M-125/GEN.
1. SCOPE AND CLASSIFICATION
1.1 Scope. This specification covers the specific requirements for half-
mask and full-mask facepieces designed for use with supplied air.
1.2 Classification.
1.2.1 Types, models, and styles. Respirator assemblies shall be of the
following types, models, and styles as specified (see 6.2).
Type I - Air line respirator without auxiliary self-contained
cylinder containing compressed breathing air.
Type II - Air line respirator with auxiliary self-contained cylinder
containing compressed breathing air.
Model 1 - Constant air flow (type I only).
Model 2 - Pressure-demand air flow.
Model 3 - Demand air flow.
Style A - Half-mask facepiece.
Style B - Half-mask facepiece (for use under welder's helmet).
Style C - Full facepiece.
2. APPLICABLE DOCUMENTS
2.1 Latest issue of GGG-M-125/GEN and documents referenced therein, and
the additional documents specified herein.
Federal Specifications:
BB-A-1034 - Air, Compressed, for Breathing Purposes.
GGG-H-211 - Helmet, Welders, Handshield, Welding, and Plates, Welding.
FSC 4240
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