The Spring,flat, cataloged under National Stock Number 5360-01-640-8770, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Spring,flat |
| FSC / FSG | 5360 — Coil, Flat, Leaf, and Wire Springs (FSG 53) |
| Manufacturers | Metrex Valve Corp. Dba Metrex Valve Corp (CAGE 21013) |
| Parameter | Value |
|---|---|
| NSN | 5360-01-640-8770 |
| Primary Part Number | 9M-19X |
| Item Name | Spring,flat |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Metrex Valve Corp. Dba Metrex Valve Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| 9M-19X PRIMARY | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
| EAM-1016NF2-3W ITEM 10 | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| EAM-1016NF2-3W | D/9 Drawing number reference only Metrex Valve Corp. Dba Metrex Valve Corp |
NSN 5360-01-640-8770 is a Spring,flat, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-640-8770 has 2 manufacturer part numbers on file: 9M-19X (Metrex Valve Corp. Dba Metrex Valve Corp), EAM-1016NF2-3W ITEM 10 (Metrex Valve Corp. Dba Metrex Valve Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5307-01-643-6915, 4820-01-660-1461. Verify interchangeability with system specifications before substitution.
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.