The Valve,check, cataloged under National Stock Number 4820-01-298-8577, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Concentric Rockford Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-298-8577 |
| Primary Part Number | 2180060 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Concentric Rockford Inc |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 2180060 PRIMARY | Concentric Rockford Inc (USA) |
NSN 4820-01-298-8577 is a Valve,check, manufactured by Concentric Rockford Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-298-8577 has 1 manufacturer part number on file: 2180060 (Concentric Rockford Inc).
1 possible match (shared part number, not a government interchangeability claim): 2510-01-733-4261. Verify interchangeability with system specifications before substitution.
Key specifications for 2180060: Special Features: 3930012780170. 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.