The Ventilator,air Circulating, cataloged under National Stock Number 2040-01-495-9971, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-495-9971 |
| Primary Part Number | 5C187 |
| Item Name | Ventilator,air Circulating |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5C187 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| FC-621-001-29 | D/9 Drawing number reference only U.S. Government activity |
NSN 2040-01-495-9971 is a Ventilator,air Circulating, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-495-9971 has 1 manufacturer part number on file: 5C187 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 5C187: Special Features: CEILING MOUNT, 130CFM USED IN BATH AND SHOWER AREAS, CERTIFIED FOR 2.5 SONES. UNIT TO HAVE A 4 IN DIA. RD. DUCT CONNECTOR, AND A WHITE POLYMERIC LOW PROFILE GRILLE W/TORSION SPRING MOUNTING. UNIT SHALL HAVE A DYNAMICALLY BALANCED CENTRIFUGAL BLOWER WHEEL WHICH PROVIDES QUIET(MAX 1.5 SONES) AND NONMETALLIC DAMPER. THE UNIT SHALL HAVE A STEEL HOUSING MAX.SIZE 7 5/8 IN HIGH X 9 1/2 IN L. X 9 1/4 IN WIDTH AND HAVE ADJUSTABLE MOUNTING BRACKETS. THE UNIT TO BE BROAD MODEL NO. S130 OR EQUAL. NHA MCH PERSONNEL SHELTER NSN 5411-01-095-4757 IN; End Item Identification: RDD IS ROLL ON/ROLL OFF DISCHARGE FACILITY, 1945-01-473-2282 AND FC1 IS THE FLOATING CAUSEWAY, 1945-01-473-2162. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.