The Valve,check, cataloged under National Stock Number 4820-00-453-2982, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-453-2982 |
| Primary Part Number | 102713001 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.656 INCHES FIRST END IN |
| Seat Angle | 17.0 DEGREES FIRST END |
| Thread Class | 2A SECOND END A |
| Thread Quantity Per Inch | 19 FIRST END |
| Material | ALUMINUM ALLOY BODY |
| Thread Series Designator | UNS FIRST END |
| Thread Series Designator | UNF SECOND END |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 102713001 PRIMARY | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| 1-02713-001 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| Reference | Meaning |
|---|---|
| 99-1446228 | 6/9 Informative reference only U.S. Government activity |
NSN 4820-00-453-2982 is a Valve,check, manufactured by Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-453-2982 has 2 manufacturer part numbers on file: 102713001 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk), 1-02713-001 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk).
Key specifications for 102713001: Flow Control Device: POPPET; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Mounting Position: HORIZONTAL OR VERTICAL. 18 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.