Hazardous Material Identification Codes

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DoD 4100.39-M
Volume 10

DIndicates there is no information in the HMRIS; however, the NSN is in a FSC in Table I of Federal Standard 313 and a MSDS should be available to the user.
NIndicates there is no data in the HMIRS and the NSN is in a FSC not generally suspected of containing hazardous materials.
PIndicates there is no information in the HMIRS; however, the NSN is in a FSC in Table II of Federal Standard 313 and a MSDS may be required by the user. The requirement for a MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.
YIndicates information is in the Hazardous Materials Information Resource System (HMIRS).