The Valve,restrictor Check, cataloged under National Stock Number 4820-00-068-7770, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Saf Industries Llc Dba Saf Industries Llc Div Garkenyon. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-068-7770 |
| Primary Part Number | 1R5445-1 |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Saf Industries Llc Dba Saf Industries Llc Div Garkenyon |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | FLARELESS ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Aperture Diameter | 0.070 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.437 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Disk Loading Method | SPRING |
| Thread Class | 3A ALL ENDS A |
| Material | RUBBER SYNTHETIC PACKING |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING BODY |
| Thread Series Designator | UNF 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 |
|---|---|
| 1R5445-1 PRIMARY | Saf Industries Llc Dba Saf Industries Llc Div Garkenyon (USA) |
| 1R5445 PRIMARY | Saf Industries Llc Dba Saf Industries Llc Div Garkenyon (USA) |
| Reference | Meaning |
|---|---|
| 215-22537-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4820-00-068-7770 is a Valve,restrictor Check, manufactured by Saf Industries Llc Dba Saf Industries Llc Div Garkenyon, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-068-7770 has 2 manufacturer part numbers on file: 1R5445-1 (Saf Industries Llc Dba Saf Industries Llc Div Garkenyon), 1R5445 (Saf Industries Llc Dba Saf Industries Llc Div Garkenyon).
Key specifications for 1R5445-1: Flow Control Device: POPPET; Connection Style: FLARELESS ALL ENDS; Style Designator: STRAIGHT THRU; Aperture Diameter: 0.070 INCHES NOMINAL IN. 14 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.