The Valve,check, cataloged under National Stock Number 4820-01-468-2016, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Haldex Brake Products Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-468-2016 |
| Primary Part Number | N-13526-AJ |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Haldex Brake Products Corporation |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| N-13526-AJ PRIMARY | Haldex Brake Products Corporation (USA) |
| A346-30 | Crane Carrier Company, Llc (USA) |
| 10200-1/2-1/2 | Sealco Air Controls Inc (USA) |
| 1031 | Sloan Valve Company (USA) |
| A346D-1 | Crane Carrier Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| N-13526-AJ | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-468-2016 is a Valve,check, manufactured by Haldex Brake Products Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-468-2016 has 5 manufacturer part numbers on file: N-13526-AJ (Haldex Brake Products Corporation), A346-30 (Crane Carrier Company, Llc), 10200-1/2-1/2 (Sealco Air Controls Inc), 1031 (Sloan Valve Company), A346D-1 (Crane Carrier Company, Llc).
Key specifications for N-13526-AJ: Special Features: 1/2" NPT; Part Name Assigned by Controlling Agency: VALVE, AIR-ONE WAY CHECK-90 DEGREE BRASS; End Item Identification: HEAVY EQUIPMENT SUPPORT VEHICLE; Material: COPPER ALLOY BODY. 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.