The Tester,spring Resiliency, cataloged under National Stock Number 6635-01-063-5645, 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. Div Aerospace & Defense. Government technical data includes 10 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 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 | 6635-01-063-5645 |
| Primary Part Number | RM-200 |
| Item Name | Tester,spring Resiliency |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Load Receiver Type | CHISEL HEAD AND CONE HEAD AND FLAT HEAD AND HOOK AND PUSH ROD |
| Mounting Method | TABLE |
| Scale Range | +0.0 TO 200.0 POUNDS LBS |
| Spring Type for Which Designed | COMPRESSION AND TENSION |
| Torque Indicating Wrench Usage Feature | NOT INCLUDED |
| Unit Type | MECHANICAL |
| Spring Travel Gage | NOT INCLUDED |
| Scale Smallest Increment Graduation | 2 LB SMALLEST INCREMENT LBS |
| Operation Method | MANUAL |
| Measurement Unit | POUND |
| 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 |
|---|---|
| RM-200 PRIMARY | Ametek, Inc. Div Aerospace & Defense (USA) |
NSN 6635-01-063-5645 is a Tester,spring Resiliency, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-063-5645 has 1 manufacturer part number on file: RM-200 (Ametek, Inc. Div Aerospace & Defense).
1 possible match (shared part number, not a government interchangeability claim): 4940-01-619-5389. Verify interchangeability with system specifications before substitution.
Key specifications for RM-200: Load Receiver Type: CHISEL HEAD AND CONE HEAD AND FLAT HEAD AND HOOK AND PUSH ROD; Mounting Method: TABLE; Scale Range: +0.0 TO 200.0 POUNDS LBS; Spring Type for Which Designed: COMPRESSION AND TENSION. 10 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.