The Cartridge,check Valve, cataloged under National Stock Number 4820-01-168-1307, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-168-1307 |
| Item Name | Cartridge,check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| 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 |
| Reference | Meaning |
|---|---|
| LE284-0033-0001 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
| 1C1054 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-168-1307 is a Cartridge,check Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-168-1307: Special Features: 2.090 IN. LG; 0.483 IN. DIA; 5/16-32 NEF-SB THREADS ONE END;30.0 DEG CHAMFER OTHER END; TWO PIECE BODY CRES PER AMS 5643 17-4 PH; POPPET FLOW CONTROL;MAX OPERATING PRESSURE 4000.0 PSIG; OPERATING TEMP -65.0 TO 275.0 DEG REES F; HYDRAULIC FLUID PER STO145LB0001 OR MIL-H-5606 IN; End Item Identification: B-1B. 0 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.