The Kit,monitor Co2, cataloged under National Stock Number 6630-01-549-6782, is classified within Federal Supply Class 6630 (Chemical Analysis Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is The H R Hillery Company Div Hr Hillery Company. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6630-01-549-6782 |
| Primary Part Number | HB 1.2 |
| Item Name | Kit,monitor Co2 |
| FSC / FSG | 6630 / 66 — Chemical Analysis Instruments |
| Manufacturer | The H R Hillery Company Div Hr Hillery Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| HB 1.2 PRIMARY | The H R Hillery Company Div Hr Hillery Company (USA) |
| 7550478-A58 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 56617-KIT | 5/1 Secondary reference U.S. Government activity |
| EB-4509 TYPE-4 | 5/1 Secondary reference U.S. Government activity |
| G547-0002-A58 | 5/2 Secondary reference U.S. Government activity |
NSN 6630-01-549-6782 is a Kit,monitor Co2, manufactured by The H R Hillery Company Div Hr Hillery Company, classified under FSC 6630, Chemical Analysis Instruments. Status: active.
NSN 6630-01-549-6782 has 2 manufacturer part numbers on file: HB 1.2 (The H R Hillery Company Div Hr Hillery Company), 7550478-A58 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 6330-01-625-4460. Verify interchangeability with system specifications before substitution.
Key specifications for HB 1.2: Part Name Assigned by Controlling Agency: CO2 MONITORING KIT; End Item Identification: CO2 MONITORING KIT. 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.
NSN 6630-01-549-6782 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.