The Detector,mercury Vapor, cataloged under National Stock Number 4931-01-014-0948, is classified within Federal Supply Class 4931 (Fire Control Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Bacharach, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4931-01-014-0948 |
| Primary Part Number | MV2 |
| Item Name | Detector,mercury Vapor |
| FSC / FSG | 4931 / 49 — Fire Control Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Bacharach, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | TEMP RANGE 15 DEG C TO 50 DEG C,11.375 IN. LG,4.750 IN. W,6 LBS,CASE WITH SILVER ANODIZED PANEL LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| MV2 PRIMARY | Bacharach, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7916803 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 4931-01-014-0948 is a Detector,mercury Vapor, manufactured by Bacharach, Inc., classified under FSC 4931, Fire Control Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4931-01-014-0948 has 1 manufacturer part number on file: MV2 (Bacharach, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-684-8772. Verify interchangeability with system specifications before substitution.
Key specifications for MV2: General Characteristics Item Description: TEMP RANGE 15 DEG C TO 50 DEG C,11.375 IN. LG,4.750 IN. W,6 LBS,CASE WITH SILVER ANODIZED PANEL LBS. 1 specification is 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.
NSN 4931-01-014-0948 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.