Navy Material Accountability Campaign (NMAC) OM&S-R Excess

The Navy Material Accountability Campaign (NMAC) is a NAVSUP-led effort to establish a Navy-wide material-accountability baseline by ensuring retained Operating Materials and Supplies — specifically the Remainder category (OM&S-R) — are loaded into an approved Accountable Property System of Record (APSR). It is a Navy audit-readiness/accountability initiative, not a public-facing lookup tool or database.

What it is

OM&S-R designates Navy Operating Materials and Supplies that a command retains as excess or reparable stock rather than issuing or disposing of immediately. NMAC's goal is to ensure this retained material is properly identified, labeled with the data elements needed to associate it to an APSR (such as the Defense Property Accountability System, DPAS) or an approved business logistics application, and brought under formal accountability rather than sitting untracked. The campaign supports the Navy's broader financial-audit and inventory-accuracy mandates.

Who operates it

NAVSUP hosts the NMAC access point, and NAVSUP Weapon Systems Support (NAVSUP WSS) operates related Navy Repairables Management processes (eRMS, Total Asset Visibility) that connect to NMAC's goals. NAVSUP WSS's Inventory Operations Center (stood up in 2018) performs related site-visit and internal-control testing work across Navy inventory locations in support of the Navy's overall accountability and auditability push, though no source confirms it directly administers NMAC.

Access

The campaign's OM&S-R tooling lives inside MyNAVSUP: this directory's former NAVSUP short link led to a MyNAVSUP OM&S inventory application, not a public page. MyNAVSUP requires an official DoD PKI certificate (CAC) registered in the NAVSUP master directory, and because its applications sit behind that login, public confirmation of the tool's current status is unavailable; this entry links to NAVSUP's public MyNAVSUP access-information page. NMAC itself is a Navy internal accountability campaign carried out by supply and accountable-property personnel.

How logisticians use it

Supply officers, accountable officials, and command inventory managers use NMAC guidance to identify retained OM&S-R material at their activity, record the required data elements, and load that material into an approved APSR so it is properly accounted for during inventories and audits. Excess reparable material identified through this process is typically routed through Navy reutilization channels such as the electronic Repairables Management System (eRMS) and Total Asset Visibility (TAV) processes rather than being retained indefinitely off the books.

Related systems

NMAC connects to the Defense Property Accountability System (DPAS) and other APSRs used for Navy property accountability, to Navy Repairables Management processes (eRMS, Total Asset Visibility, Advanced Traceability and Control), and to NAVSUP WSS's broader Inventory Operations Center accountability program.