The Test Kit,silver Indicating, cataloged under National Stock Number 6760-01-355-4635, is classified within Federal Supply Class 6760 (Photographic Equipment and Accessories) of the Photographic Equipment group. The manufacturer of record is United States Imagineering, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6760-01-355-4635 |
| Primary Part Number | STF-50 |
| Item Name | Test Kit,silver Indicating |
| FSC / FSG | 6760 / 67 — Photographic Equipment and Accessories |
| Manufacturer | United States Imagineering, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | C/O VIALS CONTAINING COPPER FOIL TEST STRIPS 50,SAMPLE CUP 1,ABRASIVE PAD 1; USED TO TEST FOR THE SILVER CONTENT OF PHOTOGRAPHIC AND X-RAY CHEMICAL AND WASH WATER EFFLUENT SOLUTIONS DOWN TO 5 PARTS PER MILLION; TEST POSITIVE FOR SILVER CONTENT IN SOLUTIONS ABOVE 5 PPM AND NEGATIVE BELOW 5 PPM |
| 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 |
|---|---|
| STF-50 PRIMARY | United States Imagineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| F91L473 | 5/1 Secondary reference Air Force Medical Logistics Office |
| 92-1-23-65 | 5/1 Secondary reference Air Force Medical Logistics Office |
NSN 6760-01-355-4635 is a Test Kit,silver Indicating, manufactured by United States Imagineering, Inc., classified under FSC 6760, Photographic Equipment and Accessories. Status: active.
NSN 6760-01-355-4635 has 1 manufacturer part number on file: STF-50 (United States Imagineering, Inc.).
Key specifications for STF-50: General Characteristics Item Description: C/O VIALS CONTAINING COPPER FOIL TEST STRIPS 50,SAMPLE CUP 1,ABRASIVE PAD 1; USED TO TEST FOR THE SILVER CONTENT OF PHOTOGRAPHIC AND X-RAY CHEMICAL AND WASH WATER EFFLUENT SOLUTIONS DOWN TO 5 PARTS PER MILLION; TEST POSITIVE FOR SILVER CONTENT IN SOLUTIONS ABOVE 5 PPM AND NEGATIVE BELOW 5 PPM; Part Name Assigned by Controlling Agency: TEST KIT SILVER INDICATING. 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.