MIL-DTL-20277K
4.4.1 Lot records. Manufacturers shall keep lot records for 3 years minimum. Manufacturers shall
monitor for compliance to the prescribed procedures, and observe that satisfactory manufacturing
conditions and records on lots are maintained for these knife and sheath assemblies. The records,
including as a minimum, an attributes summary of all quality conformance inspections conducted on each
lot, shall be available to review by customers at all times.
4.4.1.1 Leather test records. Manufacturer shall have lot records from the tanning facility. These
test reports shall contain as a minimum reports for chromic oxide level (between 1 and 5 percent), acidity
pH (3.3 minimum, 5.0 maximum), presence of lead salts (0 -none), and fungicidal agent used.
4.5 First article inspection. First article inspection shall be performed at a laboratory acceptable to
the procuring activity on sample units produced with equipment and procedures used in production.
4.5.1 Samples for first article. Samples for first article shall be representative of the products
proposed to be furnished to this specification. Sampling for knifes and sheaths shall be in accordance
with 4.5.5.
4.5.2 First article inspection routine. All samples shall be subjected to first article testing in table II.
The test sequence shall be determined by the manufacturer unless otherwise specified.
TABLE II. First article inspection.
Inspection
Requirement
Test method
Visual inspection
Blade hardening
Grain size
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Holding of the knife by strap
Cutting
Flexibility
Fungicide
4.5.3 Waivers or deviations to specification requirements. All waivers or deviations to specification
requirements shall be coordinated through the preparing activity; Defense Supply Center, Columbus,
Attn: VAI, P.O. Box 3990, Columbus, OH 43218-3990, or emailed to FluidFlow@dla.mil.
4.5.4 Failures. All samples shall meet all of the contract requirements. Failure of a sample unit to
pass any inspection or test in table I shall be cause for rejection of the entire lot and refusal to grant first
article approval.
4.5.5 First article samples. Unless otherwise specified, after award of the contract or order, the
manufacturer shall forward 2 knives with sheaths. The samples shall be representative of the
construction, workmanship, components, and materials to be used during production. When a
manufacturer is in continuous production of the knives and sheaths from one contract to another,
submission of additional first article samples for a new contract may be waived at the discretion of the
acquiring activity (see 6.2).
4.5.5.1 First article information. Upon completion of first article inspection, the Government activity
responsible for conducting the inspection program (see 6.2), shall report the results of the inspection, with
appropriate recommendation, to the contracting officer. Approval of the first article samples or the
waiving of first article inspection does not preclude the requirements for performing individual, or sampling
and periodic inspections.
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