The Valve,plug, cataloged under National Stock Number 4820-00-869-1900, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grindley Manufacturing Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-869-1900 |
| Primary Part Number | 843001 |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grindley Manufacturing Inc. |
| Status | ACTIVE |
| Connection Style | GASKET SEAL(BOSS) ALL ENDS |
| Minimum Operating Temp | -65.0 FAHRENHEIT DEGF |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Flow Style | FOUR-WAY FOUR PORT 90 DEGREE PLUG TURN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | NITROGEN, GASEOUS SINGLE RESPONSE |
| Material | STEEL CORROSION RESISTING BODY |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 843001 PRIMARY | Grindley Manufacturing Inc. (USA) |
| Reference | Meaning |
|---|---|
| 892713 | 5/2 Secondary reference U.S. Government activity |
| 892713 | 5/9 Secondary reference Kidde-Fenwal, Llc |
| 892713 | 5/2 Secondary reference U.S. Government activity |
| 32-72018-7 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 4820-00-869-1900 is a Valve,plug, manufactured by Grindley Manufacturing Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-869-1900 has 1 manufacturer part number on file: 843001 (Grindley Manufacturing Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 6610-01-576-3309, 7510-01-646-0850. Verify interchangeability with system specifications before substitution.
Key specifications for 843001: Connection Style: GASKET SEAL(BOSS) ALL ENDS; Minimum Operating Temp: -65.0 FAHRENHEIT DEGF; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Flow Style: FOUR-WAY FOUR PORT 90 DEGREE PLUG TURN. 9 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.
NSN 4820-00-869-1900 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.