The Valve,check, cataloged under National Stock Number 4820-01-575-5245, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pacific Consolidated Industries Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Pacific Consolidated Industries Llc (CAGE 75906); Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-575-5245 |
| Primary Part Number | 581698-009 OXYGEN CLEAN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pacific Consolidated Industries Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 581698-009 OXYGEN CLEAN | Pacific Consolidated Industries Llc (USA) |
| 581698-009CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 793555 ITEM NO 16CP | Pacific Consolidated Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| SS-56S6 | 5/1 Secondary reference Swagelok Co |
| 581698-009 | 3/1 Design control — primary reference Pacific Consolidated Industries Llc |
| 793555 ITEM NO 16 | 5/1 Secondary reference Pacific Consolidated Industries Llc |
| 793555 | D/9 Drawing number reference only Pacific Consolidated Industries Llc |
NSN 4820-01-575-5245 is a Valve,check, manufactured by Pacific Consolidated Industries Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-575-5245 has 3 manufacturer part numbers on file: 581698-009 OXYGEN CLEAN (Pacific Consolidated Industries Llc), 581698-009CP (Naval Inventory Control Point Mechanicsburg), 793555 ITEM NO 16CP (Pacific Consolidated Industries Llc).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-575-5282, 4820-01-578-5098, 4820-01-578-5255. Verify interchangeability with system specifications before substitution.
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.