The Tester,spring,electronic, cataloged under National Stock Number 6635-01-426-0487, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ametek Inc.. Government technical data includes 12 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6635-01-426-0487 |
| Primary Part Number | DFE2-050 |
| Item Name | Tester,spring,electronic |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Ametek Inc. |
| Status | ACTIVE |
| Load Receiver Type | FLAT HEAD AND HOOK AND ROD |
| Scale Calibration | AUTOMATIC |
| Mounting Method | PORTABLE |
| Scale Range | +0.0 TO 50.0 POUNDS OR +0.0 TO 25.0 KILOGRAMS OR +0.0 TO 250.0 NEWTON LBS |
| Spring Type for Which Designed | COMPRESSION AND TENSION |
| Torque Indicating Wrench Usage Feature | NOT INCLUDED |
| Control Device Type | AUTOMATIC STOP |
| Unit Type | ELECTRONIC |
| Spring Travel Gage | NOT INCLUDED |
| Scale Smallest Increment Graduation | 0.05LB;0.02KG;0.2N LBS |
| Operation Method | MANUAL |
| Measurement Unit | INCH AND GRAM |
| 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 |
|---|---|
| DFE2-050 PRIMARY | Ametek Inc. (USA) |
| 5382210 | Ross Brown Sales Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| DFE2-050 | 5/2 Secondary reference U.S. Government activity |
| DFE-050 | 5/9 Secondary reference U.S. Government activity |
| DFM50 | 5/9 Secondary reference Ametek Inc. |
| DFE-050 | 5/9 Secondary reference Ametek Inc. |
NSN 6635-01-426-0487 is a Tester,spring,electronic, manufactured by Ametek Inc., classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-426-0487 has 2 manufacturer part numbers on file: DFE2-050 (Ametek Inc.), 5382210 (Ross Brown Sales Pty Ltd).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-525-3425. Verify interchangeability with system specifications before substitution.
Key specifications for DFE2-050: Load Receiver Type: FLAT HEAD AND HOOK AND ROD; Scale Calibration: AUTOMATIC; Mounting Method: PORTABLE; Scale Range: +0.0 TO 50.0 POUNDS OR +0.0 TO 25.0 KILOGRAMS OR +0.0 TO 250.0 NEWTON LBS. 12 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.