MIL-DTL-20277K
3.3.10 Blade finish. Steel combat knife components shall be phosphate coated in accordance with
MIL-DTL-16232, type Z, class 2, after deburring, marking, and prior to assembly. The blade shall meet
the color requirements of 3.5.
3.3.11 Guard, butt plate and pin. The guard, butt plate and pin shall be steel in accordance with
SAE AIR4127 type SAE 1018 or 1020.
3.3.12 Dissimilar metals. Dissimilar metals shall not be used. Dissimilar metals are specified in
MIL-STD-889.
3.4 Design and construction.
3.4.1 Combat knife construction. The combat knife design and construction shall be in accordance
with MIL-DTL-20277/1.
3.4.2 Sheath construction. Sheath design and construction shall be in accordance with
MIL-DTL-20277/2.
3.5 Color. The color of all components shall be black in accordance with FED-STD-595/37038.
3.6 Performance.
3.6.1 Visual examination. The combat knife assembly shall be in accordance with MIL-DTL-20277/1
and MIL-DTL-20277/2 when visually examined as specified in 4.7.1.
3.6.2 Holding of the knife by strap. When tested in accordance with 4.7.3, the knife shall not move
out of the position by more than .25 inch (6.35 mm).
3.6.3 Cutting. When tested in accordance with 4.7.4 the blade shall show no undue wear, such as
turning over, nicking or breaking of any part of the cutting edge.
3.6.4 Flexibility. When tested in accordance with 4.7.5, the blade shall not break or fail to return to
the original shape when bent through an angle of 9°.
3.7 Identification of product. The combat knife shall be identified by a permanently indent stamp with
letters in accordance with MIL-STD-130.
3.8 Workmanship. Combat knives and sheaths shall be of high and uniform quality. The combat
knife shall be free of sharp burrs and the sheath shall be free of sharp burrs or edges which may injure
the hand of the user or adversely effect performance, reliability, and durability. The appearance shall be
of the highest commercial practice for this type item (see 4.7.1). The knives and sheaths shall be
examined for the following defects in table I.
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