The Spring and Roller Assembly Check, cataloged under National Stock Number 4820-01-055-0343, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Clio, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-055-0343 |
| Primary Part Number | 107623E |
| Item Name | Spring and Roller Assembly Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Clio, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | MAXIMUM OPERATING TEMPERTURE 1200 DEGREE F |
| 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 |
|---|---|
| 107623E PRIMARY | Clio, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 107623E | 5/9 Secondary reference Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| 107623E | 5/9 Secondary reference U.S. Government activity |
| 107623E | 5/9 Secondary reference Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
NSN 4820-01-055-0343 is a Spring and Roller Assembly Check, manufactured by Clio, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-055-0343 has 1 manufacturer part number on file: 107623E (Clio, Inc.).
Key specifications for 107623E: General Characteristics Item Description: MAXIMUM OPERATING TEMPERTURE 1200 DEGREE F. 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.