The Mms Water Distribution Surgical, cataloged under National Stock Number 6545-01-666-9714, is classified within Federal Supply Class 6545 (Replenishable Field Medical Sets, Kits, and Outfits) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: SE.
| Parameter | Value |
|---|---|
| NSN | 6545-01-666-9714 |
| Primary Part Number | UA Q491 |
| Item Name | Mms Water Distribution Surgical |
| FSC / FSG | 6545 / 65 — Replenishable Field Medical Sets, Kits, and Outfits |
| Manufacturer | Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | SE |
| Part Number | Manufacturer |
|---|---|
| UA Q491 PRIMARY | Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa (USA) |
| Reference | Meaning |
|---|---|
| 1486190 | 5/1 Secondary reference U.S. Government activity |
| 6545NCM173819 | 5/1 Secondary reference Defense Medical Standardization Board |
NSN 6545-01-666-9714 is a Mms Water Distribution Surgical, manufactured by Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa, classified under FSC 6545, Replenishable Field Medical Sets, Kits, and Outfits. Status: active.
NSN 6545-01-666-9714 has 1 manufacturer part number on file: UA Q491 (Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa).
Key specifications for UA Q491: Special Features: THIS ASSEMBLAGE PROVIDES POTABLE WATER TO THE SURGICAL AUGMENTATION DETACHMENT, AN ELEMENT OF THE FIELD HOSPITAL. IT CONTAINS COMPONENTS SUCH AS PUMPS, FITTINGS AND HOSES.; Part Name Assigned by Controlling Agency: MEDICAL MATERIAL SET (MMS) WATER DISTRIBUTION SURGICAL AUGMENTATION DETACHMENT. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.