The Tester,spring Resiliency, cataloged under National Stock Number 6635-01-615-0631, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Link Manufacturing, Inc Dba Link Engineering Company. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-615-0631 |
| Primary Part Number | T4A-50 |
| Item Name | Tester,spring Resiliency |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Link Manufacturing, Inc Dba Link Engineering Company |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 |
| Current Type | DC |
| Mounting Method | TABLE |
| Voltage in Volts | 12.0 |
| Spring Type for Which Designed | COMPRESSION |
| Torque Indicating Wrench Usage Feature | NOT INCLUDED |
| Operation Method | ELECTRIC MOTOR |
| 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 |
|---|---|
| T4A-50 PRIMARY | Link Manufacturing, Inc Dba Link Engineering Company (USA) |
| Reference | Meaning |
|---|---|
| 6635PL1937796 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| T4A | 5/9 Secondary reference Link Manufacturing, Inc Dba Link Engineering Company |
NSN 6635-01-615-0631 is a Tester,spring Resiliency, manufactured by Link Manufacturing, Inc Dba Link Engineering Company, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-615-0631 has 1 manufacturer part number on file: T4A-50 (Link Manufacturing, Inc Dba Link Engineering Company).
Key specifications for T4A-50: Frequency in Hertz: 60.0; Current Type: DC; Mounting Method: TABLE; Voltage in Volts: 12.0. 7 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.