4.6.7 Sharpness. The bayonet blade shall be tested for
sharpness using a sharpness tester in accordance with Dwg.
7274016. Any modification(s) that have to be made to the sharpness
tester to accommodate the bayonet shall be approved by the
Government. The test shall be set up and operated in accordance
with Dwg 7274019.
4.6.8 Drop test. The bayonet shall be attached to a
contractor designed, Government approved test fixture in each of
the following orientations: p oint down, point up and horizontal.
The bayonet shall be released from each of these orientations and
allowed to free fall a minimum distance of four feet onto a
concrete surface. The test shall be repeated with the scabbard
attached to the bayonet.
4.6.9 Interchageability test. The MPBS shall be tested for
interchange of parts by disassembly and reassembly of parts using
parts from a prearranged system specified below. Interchange of
parts shall be accomplished by dividing the parts of each MPBS into
10 groups of nonmating parts as shown below and distributing the
groups into 10 different trays until each tray contains a complete
MPRS. Groups of parts from MPBS number 1 shall be taken in order
and placed in tray 1 through 10; groups of parts from MPBS number 2
shall be taken in order and placed in trays 2 through 10 to 1;
groups of parts from MPBS number 3 shall be taken in order and
placed in tray 3 through 10 to 2, etc. The MPBS shall be
reassembled using only those parts which are in the same tray. The
reassembled MPBS shall be subject to tests 4.6.1 and 4.6.10.
Groups of nonmating parts
Pouch Assembly (12902762)
Latch Plate (12598167)
Blade Assembly (12598166) .
Body Assembly, Scabbard
(12598179) with Stone,
Bayonet, Release, Left
Screw, Cap (12598171)
Cutter Assembly (12598182)
Bayonet Release, Right Hand
Attaching Assembly, Scabbard