The Test Set,friction,fuel-Lubricant, cataloged under National Stock Number 6635-01-703-4939, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Spectro Scientific, Inc Dba Spectro Inc. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-703-4939 |
| Primary Part Number | 450-00377 |
| Item Name | Test Set,friction,fuel-Lubricant |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Spectro Scientific, Inc Dba Spectro Inc |
| Status | ACTIVE |
| End Item Source | 1BL81 |
| Portability Method | HINGED EXTERNAL HANDLES |
| Component Document Origin | INDUSTRIAL |
| End Item Name | TEST KIT,OIL CONDITION |
| Container Type | CASE |
| Document Source | 1BL81 |
| 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 |
|---|---|
| 450-00377 PRIMARY | Spectro Scientific, Inc Dba Spectro Inc (USA) |
| Reference | Meaning |
|---|---|
| 450-00225 | 3/1 Design control — primary reference Spectro Scientific, Inc Dba Spectro Inc |
NSN 6635-01-703-4939 is a Test Set,friction,fuel-Lubricant, manufactured by Spectro Scientific, Inc Dba Spectro Inc, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-703-4939 has 1 manufacturer part number on file: 450-00377 (Spectro Scientific, Inc Dba Spectro Inc).
Key specifications for 450-00377: End Item Source: 1BL81; Portability Method: HINGED EXTERNAL HANDLES; Component Document Origin: INDUSTRIAL; End Item Name: TEST KIT,OIL CONDITION. 6 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.