3.13.7 Trigger. The trigger shall be designed for multiple finger control, with
the normal, not operator adjusted, position closed. The trigger control shall
operate freely with a positive action, 4 to 7 pound pull, and shall be located in
front of the handle grip. The trigger shall control both the air valve and the
liquid material valve, and shall operate to permit air flow before liquid material
flow, and liquid material flow shut-off before air flow shut-off. The trigger shall
be fabricated of corrosion resistant metal, or metal plated to resist corrosion.
The trigger shall be provided with hardened surfaces to resist wear at points of
contact with the air valve stem and liquid material valve sleeve or stem.
3.13.8 Connections. The spray gun shall be provided with liquid material and air
connections. The connection for the liquid material shall be 0.375 inch National
Pipe Straight Mechanical (NPSM) male thread with a thirty (30) degree internal
tapered seat, and the connection of the air hose shall be a 0.250 inch NPSM male
thread with thirty (30) degree internal tapered seat. The air connection shall be
detachable and fabricated from drawn brass rod. The air hose connection shall be
located in the butt of the handle grip. The liquid material connection shall be
located underneath the spray gun head and so positioned as to allow attaching the
Spray gun cup.
3.14 Identification marking. In accordance with MIL-STD-130, the National Stock
Number (NSN) shall be legibly and permanently marked, stamped, embossed, or forged
on the spray gun body but not on the pressure cup.
3.15 Workmanship. The quality of workmanship imparted to the item and all of its
components shall equal or exceed that typically provided to commercial products by
domestic producers of the type of item addressed herein. The items presented for
acceptance shall have been manufactured with skill and care; shall be uniform, neat,
and clean; and shall be free of irregularities and anomalies which degrade form,
fit, function, performance or appearance.
QUALITY ASSURANCE PROVISIONS
4.1 Responsibility for inspection. Unless otherwise specified in the contract,
the contractor is responsible for the performance of all inspection requirements as
specified herein. Except as otherwise specified in the contract, the contractor may
use his own or any other facilities suitable for the performance of the inspection
requirements specified herein, unless disapproved by the Government. The Government
reserves the right to perform any of the inspections set forth in the specification
where such inspections are deemed necessary to assure supplies and services conform
to prescribed requirements.
4.1.1 Responsibility for compliance. All items must meet all requirements of
Sections 3 and 5. The inspection set forth in this specification shall become a
part of the contractor's overall inspection system or quality program. The absence
of any inspection requirements in the specification shall not relieve the contractor
of the responsibility of assuring that all products or supplies submitted to the
Government for acceptance comply with all requirements of the contract. Sampling in
quality conformance does not authorize submission of known defective materiel,
either indicated or actual, nor does it commit the Government to acceptance of
4.2 Classification of inspection. The inspection requirements
specified herein are classified as follows:
First article inspection (see 4.2.1).