The Viscometer,capillary Type, cataloged under National Stock Number 6630-00-359-9904, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6630-00-359-9904 |
| Primary Part Number | 74415A |
| Item Name | Viscometer,capillary Type |
| FSC / FSG | 6630 / 66 — Chemical Analysis Instruments |
| Manufacturer | Precision Scientific Petroleum Instruments Co |
| Status | ACTIVE |
| General Characteristics Item Description | BOROSILICATE GLASS,CANNON-FENSKE TYPE,CALIBRATED,KINEMATIC,VISCONSITY RANGE 20 TO 100,APPROXIMATE CONSTANT 0.10,ASTM SIZE 200 |
| 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 |
|---|---|
| 74415A | Precision Scientific Petroleum Instruments Co (USA) |
| 7913262-5 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 9721-B65 | 5/1 Secondary reference U.S. Government activity |
| 69-378-46 | 5/9 Secondary reference Manostat Corp |
| 13-617E | 3/9 Design control — primary reference Fisher Scientific Company L.l.c. |
NSN 6630-00-359-9904 is a Viscometer,capillary Type, manufactured by Precision Scientific Petroleum Instruments Co, classified under FSC 6630, Chemical Analysis Instruments. Status: active.
NSN 6630-00-359-9904 has 2 manufacturer part numbers on file: 74415A (Precision Scientific Petroleum Instruments Co), 7913262-5 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 4730-00-813-3720. Verify interchangeability with system specifications before substitution.
Key specifications for 74415A: General Characteristics Item Description: BOROSILICATE GLASS,CANNON-FENSKE TYPE,CALIBRATED,KINEMATIC,VISCONSITY RANGE 20 TO 100,APPROXIMATE CONSTANT 0.10,ASTM SIZE 200. 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.