GGG-M-125/3A
September 20, 1982
SUPERSEDING
GGG-M-125/3
March 28, 1975
FEDERAL SPECIFICATION
RESPIRATOR ASSEMBLIES: AIR LINE, WITH DISPOSABLE HOOD
(SUPPLIED AIR)
This specification was approved by the Commissioner, Federal Supply
Service, General Services Administration, for the use of all Federal
agencies.
The complete requirements for procuring the respirators 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 a
respirator with a disposable hood and designed for use with continuous flow of
supplied air.
1.2 Classification.
1.2.1 Type and models. Respirator assemblies covered by this specifica-
tion shall be one type with the following models as specified (see 6.2):
Model 1 - Respirable compressed air control unit.
Model 2 - Respirable compressed air cooling unit.
Model 3 - Respirable compressed air heating unit.
Model 4 - Respirable compressed air cooling and heating unit.
2. APPLICABLE DOCUMENTS
Latest issue of GGG-M-125/GEN, GGG-M-125/2, and applicable documents
referenced therein.
3. REQUIREMENTS
3.1 Approval and certification. (See GGG-M-125/GEN).
3.2 Design. Models 1, 2, 3, and 4 vest and hood respirator assemblies
(see figure 1) shall be of such a size and design to provide protection to the
neck, shoulders, and head when worn by a person of average features. The
disposable hood shall be of sufficient size to allow a protective hat or cap
to be worn.
3.3 Principal parts. Models 1, 2, 3, and 4 respirator assemblies shall
consist of the following principal parts when required:
a. Breathing tube (see 3.3.1).
b. Air-line hose (see 3.3.2).
FSC 4240
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