The Cup,flash Tester, cataloged under National Stock Number 6630-00-359-9757, is classified within Federal Supply Class 6630 (Chemical Analysis Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Precision Scientific Petroleum Instruments Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6630-00-359-9757 |
| Primary Part Number | 74604 |
| Item Name | Cup,flash Tester |
| FSC / FSG | 6630 / 66 — Chemical Analysis Instruments |
| Manufacturer | Precision Scientific Petroleum Instruments Co |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS,W/GROOVED MARKING LEVEL,INTEGRAL FORKED HANDLE W/WOODEN GRIP,DIM.O/A CUP DIA.3.875 IN. X 1.500 IN.H,LG 10.250 IN.TO END OF HANDLE IN |
| 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 |
|---|---|
| 74604 PRIMARY | Precision Scientific Petroleum Instruments Co (USA) |
| Reference | Meaning |
|---|---|
| 67-770 | 5/9 Secondary reference Manostat Corp |
NSN 6630-00-359-9757 is a Cup,flash Tester, manufactured by Precision Scientific Petroleum Instruments Co, classified under FSC 6630, Chemical Analysis Instruments. Status: active.
NSN 6630-00-359-9757 has 1 manufacturer part number on file: 74604 (Precision Scientific Petroleum Instruments Co).
3 possible matches (shared part number, not a government interchangeability claim): 5977-01-083-6135, 5120-01-600-2101, 7530-01-600-8367. Verify interchangeability with system specifications before substitution.
Key specifications for 74604: General Characteristics Item Description: BRASS,W/GROOVED MARKING LEVEL,INTEGRAL FORKED HANDLE W/WOODEN GRIP,DIM.O/A CUP DIA.3.875 IN. X 1.500 IN.H,LG 10.250 IN.TO END OF HANDLE IN. 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.
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.