The Valve,check, cataloged under National Stock Number 4820-00-452-6950, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-452-6950 |
| Primary Part Number | 102711001 |
| 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 | FLARELESS SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Thread Pitch in Millimeters | 1.3 ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 16.60 MILLIMETERS ALL ENDS MM |
| Seat Angle | 15.0 DEGREES ALL ENDS |
| Material | STEEL CORROSION RESISTING BODY |
| Thread Series Designator | ISO M ALL ENDS |
| 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 |
|---|---|
| 102711001 PRIMARY | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| 1-02711-001 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
NSN 4820-00-452-6950 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 4820-00-452-6950 has 2 manufacturer part numbers on file: 102711001 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk), 1-02711-001 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk).
Key specifications for 102711001: Flow Control Device: POPPET; Connection Style: FLARELESS SECOND END; Connection Style: FLARED (TUBE) FIRST END; Thread Pitch in Millimeters: 1.3 ALL ENDS. 13 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.